{"id":27309,"date":"2026-06-13T07:06:37","date_gmt":"2026-06-13T07:06:37","guid":{"rendered":"https:\/\/www.holidaylandmark.com\/blog\/?p=27309"},"modified":"2026-06-13T07:06:42","modified_gmt":"2026-06-13T07:06:42","slug":"complete-guide-configure-iijmio-esim-on-iphone-and-android","status":"publish","type":"post","link":"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/","title":{"rendered":"Complete Guide: Configure IIJmio eSIM on iPhone and Android"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#1_What_you_need_before_starting\" >1. What you need before starting<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#2_Apps_and_tools_you_need\" >2. Apps and tools you need<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Main_app_My_IIJmio\" >Main app: My IIJmio<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Appstools_used_during_setup\" >Apps\/tools used during setup<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#3_IIJmio_APN_settings\" >3. IIJmio APN settings<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#4_iPhone_setup_guide\" >4. iPhone setup guide<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Step_1_Connect_to_Wi-Fi\" >Step 1: Connect to Wi-Fi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Step_2_Add_the_IIJmio_eSIM\" >Step 2: Add the IIJmio eSIM<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Method_A_Scan_QR_code\" >Method A: Scan QR code<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Method_B_Enter_activation_code_manually\" >Method B: Enter activation code manually<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Step_3_Label_the_eSIM\" >Step 3: Label the eSIM<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Step_4_Select_IIJmio_for_mobile_data\" >Step 4: Select IIJmio for mobile data<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Step_5_Configure_IIJmio_line_settings\" >Step 5: Configure IIJmio line settings<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Step_6_Install_IIJmio_APN_profile_on_iPhone\" >Step 6: Install IIJmio APN profile on iPhone<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Step_7_Restart_and_test\" >Step 7: Restart and test<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#5_Android_setup_guide\" >5. Android setup guide<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Step_1_Connect_to_Wi-Fi-2\" >Step 1: Connect to Wi-Fi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Step_2_Add_eSIM\" >Step 2: Add eSIM<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Google_Pixel_style_path\" >Google Pixel style path<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Samsung_Galaxy_style_path\" >Samsung Galaxy style path<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Other_Android_phones\" >Other Android phones<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Step_3_Select_IIJmio_as_mobile_data_SIM\" >Step 3: Select IIJmio as mobile data SIM<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Step_4_Configure_APN_on_Android\" >Step 4: Configure APN on Android<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Pixel_stock_Android\" >Pixel \/ stock Android<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Samsung\" >Samsung<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#OPPO_Xiaomi_Motorola_others\" >OPPO \/ Xiaomi \/ Motorola \/ others<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Step_5_Restart_and_test_Android\" >Step 5: Restart and test Android<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#6_5G_notes_for_IIJmio\" >6. 5G notes for IIJmio<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#7_Troubleshooting_checklist\" >7. Troubleshooting checklist<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Problem_Signal_bars_show_but_no_4GLTE_and_no_internet\" >Problem: Signal bars show, but no 4G\/LTE and no internet<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#iPhone\" >iPhone<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Android\" >Android<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Problem_%E2%80%9CProfile_Downloaded%E2%80%9D_does_not_appear_on_iPhone\" >Problem: \u201cProfile Downloaded\u201d does not appear on iPhone<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Problem_Internet_still_does_not_work_after_APN_setup\" >Problem: Internet still does not work after APN setup<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#iPhone_reset_path\" >iPhone reset path<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Android_reset_path\" >Android reset path<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Problem_QR_code_already_used_or_eSIM_deleted\" >Problem: QR code already used or eSIM deleted<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#8_Quick_setup_summary\" >8. Quick setup summary<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#iPhone_short_version\" >iPhone short version<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/www.holidaylandmark.com\/blog\/complete-guide-configure-iijmio-esim-on-iphone-and-android\/#Android_short_version\" >Android short version<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_What_you_need_before_starting\"><\/span>1. What you need before starting<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Before installing IIJmio eSIM, prepare these:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Item<\/th><th>Why you need it<\/th><\/tr><\/thead><tbody><tr><td><strong>Wi-Fi connection<\/strong><\/td><td>eSIM profile cannot be downloaded without internet. IIJmio also says the device must be connected to Wi-Fi before setting up the eSIM profile. (<a href=\"https:\/\/www.iijmio.jp\/esim\/try\/qr\/\">iijmio.jp<\/a>)<\/td><\/tr><tr><td><strong>SIM-free \/ unlocked phone<\/strong><\/td><td>IIJmio notes that SIM-locked devices cannot install the eSIM profile. (<a href=\"https:\/\/www.iijmio.jp\/esim\/try\/qr\/\">iijmio.jp<\/a>)<\/td><\/tr><tr><td><strong>eSIM-compatible iPhone or Android<\/strong><\/td><td>The phone must support eSIM.<\/td><\/tr><tr><td><strong>IIJmio activation code \/ QR code<\/strong><\/td><td>Used to download the eSIM profile.<\/td><\/tr><tr><td><strong>mioID and password<\/strong><\/td><td>Needed for the My IIJmio app and account management.<\/td><\/tr><tr><td><strong>Another device, if using QR code<\/strong><\/td><td>Easiest method: show QR code on laptop\/another phone, scan it with the phone that will use IIJmio.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Important: <strong>Do not delete the eSIM after installing it.<\/strong> IIJmio says the activation code can only be set once on a device and cannot be reused on another device. (<a href=\"https:\/\/www.iijmio.jp\/esim\/try\/qr\/\">iijmio.jp<\/a>)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Apps_and_tools_you_need\"><\/span>2. Apps and tools you need<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Main_app_My_IIJmio\"><\/span>Main app: <strong>My IIJmio<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Install <strong>My IIJmio<\/strong> from:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>App Store<\/strong> for iPhone<\/li>\n\n\n\n<li><strong>Google Play<\/strong> for Android<\/li>\n\n\n\n<li><strong>HUAWEI AppGallery<\/strong> for Huawei devices<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">IIJmio says My IIJmio is the official app for checking remaining data, buying extra data, checking contract details, and changing settings. It also supports high-speed data ON\/OFF. (<a href=\"https:\/\/help.iijmio.jp\/answer\/60ebd5d2afcacc0017a55e10\/?utm_source=chatgpt.com\">help.iijmio.jp<\/a>)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You will use <strong>My IIJmio<\/strong> mainly for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Downloading the <strong>APN configuration profile<\/strong> on iPhone<\/li>\n\n\n\n<li>Checking remaining data<\/li>\n\n\n\n<li>Checking contract\/service status<\/li>\n\n\n\n<li>Turning high-speed data ON\/OFF<\/li>\n\n\n\n<li>Buying extra data<\/li>\n\n\n\n<li>Checking plan and billing details<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Appstools_used_during_setup\"><\/span>Apps\/tools used during setup<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>App \/ Tool<\/th><th>iPhone<\/th><th>Android<\/th><th>Purpose<\/th><\/tr><\/thead><tbody><tr><td><strong>Settings app<\/strong><\/td><td>Yes<\/td><td>Yes<\/td><td>Add eSIM, select data line, configure network<\/td><\/tr><tr><td><strong>Camera app<\/strong><\/td><td>Yes<\/td><td>Yes<\/td><td>Scan eSIM QR code<\/td><\/tr><tr><td><strong>My IIJmio app<\/strong><\/td><td>Yes<\/td><td>Recommended<\/td><td>APN profile download, data usage, contract check<\/td><\/tr><tr><td><strong>Safari \/ Chrome<\/strong><\/td><td>Yes<\/td><td>Yes<\/td><td>Open IIJmio activation page or account page<\/td><\/tr><tr><td><strong>App Store \/ Google Play<\/strong><\/td><td>Yes<\/td><td>Yes<\/td><td>Install My IIJmio<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Do <strong>not<\/strong> use the old <strong>IIJmio Coupon Switch \/ mioPON<\/strong> app. IIJmio ended that app on September 30, 2024 and says users should use <strong>My IIJmio<\/strong> instead. (<a href=\"https:\/\/www.iijmio.jp\/info\/iij\/1719529607.html?utm_source=chatgpt.com\">iijmio.jp<\/a>)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_IIJmio_APN_settings\"><\/span>3. IIJmio APN settings<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">For Android manual APN setup, use these values:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Field<\/th><th>Value<\/th><\/tr><\/thead><tbody><tr><td>Name<\/td><td><code>iijmio<\/code> or <code>IIJmio<\/code><\/td><\/tr><tr><td>APN<\/td><td><code>iijmio.jp<\/code><\/td><\/tr><tr><td>Username<\/td><td><code>mio@iij<\/code><\/td><\/tr><tr><td>Password<\/td><td><code>iij<\/code><\/td><\/tr><tr><td>Authentication type<\/td><td><code>PAP or CHAP<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">IIJmio\u2019s English setup page lists these exact APN values. (<a href=\"https:\/\/www.iijmio.jp\/hdc\/visitors\/en\/flow.html\">iijmio.jp<\/a>)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Leave other fields blank\/default unless your phone requires them.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_iPhone_setup_guide\"><\/span>4. iPhone setup guide<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_1_Connect_to_Wi-Fi\"><\/span>Step 1: Connect to Wi-Fi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Go to:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Settings \u2192 Wi-Fi \u2192 ON<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Connect to a stable Wi-Fi network.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You need Wi-Fi because the eSIM profile must be downloaded from IIJmio.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_2_Add_the_IIJmio_eSIM\"><\/span>Step 2: Add the IIJmio eSIM<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Go to:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Settings \u2192 Cellular \/ Mobile Service \u2192 Add eSIM<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Then choose one of these methods:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Method_A_Scan_QR_code\"><\/span>Method A: Scan QR code<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Choose:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Use QR Code<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Scan the IIJmio eSIM QR code from another phone, laptop, tablet, or printed paper.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Apple\u2019s iPhone eSIM setup supports QR-code activation through <strong>Settings \u2192 Cellular \u2192 Set Up Cellular \/ Add eSIM \u2192 Use QR Code<\/strong>. (<a href=\"https:\/\/support.apple.com\/guide\/iphone\/set-up-cellular-service-iph3f11fba92\/ios?utm_source=chatgpt.com\">Apple Support<\/a>)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Method_B_Enter_activation_code_manually\"><\/span>Method B: Enter activation code manually<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Use this if QR scanning does not work.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Go to:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Settings \u2192 Cellular \/ Mobile Service \u2192 Add eSIM \u2192 Use QR Code \u2192 Enter Details Manually<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Enter:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SM-DP+ Address<\/strong><\/li>\n\n\n\n<li><strong>Activation Code<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">IIJmio\u2019s support page also describes manual eSIM activation using the SM-DP+ address and activation code. (<a href=\"https:\/\/help.iijmio.jp\/answer\/61136343b597a70019313cf5\/?utm_source=chatgpt.com\">help.iijmio.jp<\/a>)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_3_Label_the_eSIM\"><\/span>Step 3: Label the eSIM<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">After adding the eSIM, iPhone may ask you to label it.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Recommended label:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>IIJmio<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you have another SIM already, label the other one as:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Main<\/strong>, <strong>Primary<\/strong>, or your home carrier name.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_4_Select_IIJmio_for_mobile_data\"><\/span>Step 4: Select IIJmio for mobile data<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Go to:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Settings \u2192 Cellular \/ Mobile Service \u2192 Cellular Data<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Select:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>IIJmio<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you use two SIMs, turn <strong>Allow Cellular Data Switching<\/strong> OFF while testing. This avoids confusion about which SIM is providing data.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_5_Configure_IIJmio_line_settings\"><\/span>Step 5: Configure IIJmio line settings<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Go to:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Settings \u2192 Cellular \/ Mobile Service \u2192 IIJmio<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Check these:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Setting<\/th><th>Recommended value<\/th><\/tr><\/thead><tbody><tr><td>Turn On This Line<\/td><td>ON<\/td><\/tr><tr><td>Cellular Data<\/td><td>ON<\/td><\/tr><tr><td>Voice &amp; Data<\/td><td>LTE \/ 4G first<\/td><\/tr><tr><td>Data Roaming<\/td><td>ON for testing<\/td><\/tr><tr><td>Network Selection<\/td><td>Automatic<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">For the first test, choose <strong>LTE \/ 4G<\/strong>, not 5G. Once 4G works, you can try 5G later if your plan and phone support it.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_6_Install_IIJmio_APN_profile_on_iPhone\"><\/span>Step 6: Install IIJmio APN profile on iPhone<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This was the step that fixed your phone.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Open <strong>My IIJmio<\/strong> app.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Choose:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>APN\u69cb\u6210\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/strong><br>That means <strong>Download APN Configuration Profile<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Then allow the download.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">After downloading, go to:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Settings \u2192 General \u2192 VPN &amp; Device Management<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tap the downloaded IIJmio APN profile and install it.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For iOS 15 and later, IIJmio\u2019s official instruction is:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Settings \u2192 General \u2192 VPN &amp; Device Management \u2192 install downloaded APN profile<\/strong>. (<a href=\"https:\/\/www.iijmio.jp\/hdd\/devices\/config.html\">iijmio.jp<\/a>)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For iOS 14, IIJmio says the path is:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Settings \u2192 General \u2192 Profile \u2192 install downloaded APN profile<\/strong>. (<a href=\"https:\/\/www.iijmio.jp\/hdd\/devices\/config.html\">iijmio.jp<\/a>)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Apple also notes that after downloading a configuration profile, you must go into Settings and install it; downloading alone is not enough. (<a href=\"https:\/\/support.apple.com\/en-us\/102400?utm_source=chatgpt.com\">Apple Support<\/a>)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_7_Restart_and_test\"><\/span>Step 7: Restart and test<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Restart iPhone.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Then:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Turn <strong>Wi-Fi OFF<\/strong><\/li>\n\n\n\n<li>Make sure <strong>Cellular Data = IIJmio<\/strong><\/li>\n\n\n\n<li>Open Safari<\/li>\n\n\n\n<li>Try any website<\/li>\n\n\n\n<li>Check for <strong>4G \/ LTE \/ 5G<\/strong><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">If internet works, setup is complete.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Android_setup_guide\"><\/span>5. Android setup guide<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Android menus vary by brand, but the flow is similar.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_1_Connect_to_Wi-Fi-2\"><\/span>Step 1: Connect to Wi-Fi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Go to:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Settings \u2192 Wi-Fi \u2192 ON<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Connect to Wi-Fi before installing eSIM.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_2_Add_eSIM\"><\/span>Step 2: Add eSIM<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Google_Pixel_style_path\"><\/span>Google Pixel style path<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Go to:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Settings \u2192 Network &amp; Internet \u2192 SIMs \u2192 Add SIM \/ Download a SIM instead<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Then scan the IIJmio QR code.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Samsung_Galaxy_style_path\"><\/span>Samsung Galaxy style path<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Go to:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Settings \u2192 Connections \u2192 SIM manager \u2192 Add eSIM<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Then scan the IIJmio QR code.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Other_Android_phones\"><\/span>Other Android phones<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Look for one of these:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SIMs<\/strong><\/li>\n\n\n\n<li><strong>Mobile Network<\/strong><\/li>\n\n\n\n<li><strong>SIM Manager<\/strong><\/li>\n\n\n\n<li><strong>Download eSIM<\/strong><\/li>\n\n\n\n<li><strong>Add eSIM<\/strong><\/li>\n\n\n\n<li><strong>Add mobile plan<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Scan the IIJmio QR code.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If QR code does not work, choose manual entry and enter:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SM-DP+ Address<\/strong><\/li>\n\n\n\n<li><strong>Activation Code<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">IIJmio\u2019s support page gives Android manual-entry guidance using the Android network\/SIM menu. (<a href=\"https:\/\/help.iijmio.jp\/answer\/61136343b597a70019313cf5\/?utm_source=chatgpt.com\">help.iijmio.jp<\/a>)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_3_Select_IIJmio_as_mobile_data_SIM\"><\/span>Step 3: Select IIJmio as mobile data SIM<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Go to:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Settings \u2192 Network &amp; Internet \/ Connections \u2192 SIMs \/ SIM Manager<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Set:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Setting<\/th><th>Value<\/th><\/tr><\/thead><tbody><tr><td>Mobile Data<\/td><td>IIJmio<\/td><\/tr><tr><td>Calls<\/td><td>Your choice, if voice plan<\/td><\/tr><tr><td>SMS<\/td><td>Your choice, if SMS\/voice plan<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">If using two SIMs, select <strong>IIJmio<\/strong> specifically for mobile data.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_4_Configure_APN_on_Android\"><\/span>Step 4: Configure APN on Android<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Go to one of these paths:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Pixel_stock_Android\"><\/span>Pixel \/ stock Android<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Settings \u2192 Network &amp; Internet \u2192 SIMs \u2192 IIJmio \u2192 Access Point Names<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Samsung\"><\/span>Samsung<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Settings \u2192 Connections \u2192 Mobile Networks \u2192 Access Point Names<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"OPPO_Xiaomi_Motorola_others\"><\/span>OPPO \/ Xiaomi \/ Motorola \/ others<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Usually:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Settings \u2192 SIM card &amp; mobile network \u2192 IIJmio \u2192 Access Point Names<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Then tap:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>+<\/strong> or <strong>Add<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Enter:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Field<\/th><th>Value<\/th><\/tr><\/thead><tbody><tr><td>Name<\/td><td><code>IIJmio<\/code><\/td><\/tr><tr><td>APN<\/td><td><code>iijmio.jp<\/code><\/td><\/tr><tr><td>Username<\/td><td><code>mio@iij<\/code><\/td><\/tr><tr><td>Password<\/td><td><code>iij<\/code><\/td><\/tr><tr><td>Authentication type<\/td><td><code>PAP or CHAP<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Then tap:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Save<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Return to the APN list and select the new <strong>IIJmio<\/strong> APN.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">IIJmio\u2019s Android guidance says to open <strong>Access Point Names<\/strong>, create a new APN, save it, return to the APN list, and select the created APN. (<a href=\"https:\/\/www.iijmio.jp\/hdc\/visitors\/en\/flow.html\">iijmio.jp<\/a>)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_5_Restart_and_test_Android\"><\/span>Step 5: Restart and test Android<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Restart the phone.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Then:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Turn <strong>Wi-Fi OFF<\/strong><\/li>\n\n\n\n<li>Turn <strong>Mobile Data ON<\/strong><\/li>\n\n\n\n<li>Select IIJmio as data SIM<\/li>\n\n\n\n<li>Open Chrome<\/li>\n\n\n\n<li>Test internet<\/li>\n\n\n\n<li>Confirm <strong>4G \/ LTE \/ 5G<\/strong> appears<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_5G_notes_for_IIJmio\"><\/span>6. 5G notes for IIJmio<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Do not panic if you only see <strong>4G \/ LTE<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">IIJmio says <strong>Type D SMS SIM<\/strong> and <strong>data eSIM on docomo network<\/strong> cannot use 5G. It also says some Type D and Type A voice\/data combinations can use 5G if the device supports it. (<a href=\"https:\/\/help.iijmio.jp\/answer\/6111f594d12d3b001af1e345\/?utm_source=chatgpt.com\">help.iijmio.jp<\/a>)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>4G\/LTE working = setup is successful<\/strong><\/li>\n\n\n\n<li><strong>5G missing does not always mean a problem<\/strong><\/li>\n\n\n\n<li>First make 4G\/LTE stable, then check 5G later<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_Troubleshooting_checklist\"><\/span>7. Troubleshooting checklist<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Problem_Signal_bars_show_but_no_4GLTE_and_no_internet\"><\/span>Problem: Signal bars show, but no 4G\/LTE and no internet<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Most likely causes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>APN profile missing on iPhone<\/li>\n\n\n\n<li>Wrong APN selected on Android<\/li>\n\n\n\n<li>Another carrier APN\/profile installed<\/li>\n\n\n\n<li>IIJmio not selected as cellular data SIM<\/li>\n\n\n\n<li>eSIM line is installed but turned off<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Fix:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"iPhone\"><\/span>iPhone<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Check:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Settings \u2192 General \u2192 VPN &amp; Device Management<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you see an old carrier profile, remove it.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Then install IIJmio APN profile from <strong>My IIJmio \u2192 APN\u69cb\u6210\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Android\"><\/span>Android<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Check:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Settings \u2192 Mobile Network \u2192 Access Point Names<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Make sure APN is:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>iijmio.jp<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Username:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>mio@iij<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Password:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>iij<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Authentication:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>PAP or CHAP<\/code><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Problem_%E2%80%9CProfile_Downloaded%E2%80%9D_does_not_appear_on_iPhone\"><\/span>Problem: \u201cProfile Downloaded\u201d does not appear on iPhone<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This means the profile was not downloaded or was already installed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Check:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Settings \u2192 General \u2192 VPN &amp; Device Management<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If IIJmio profile is already there, it is installed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If no IIJmio profile appears, download it again from <strong>My IIJmio<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Apple says only one profile can be ready to install at a time; if you download another profile before installing the first one, only the second one remains available. (<a href=\"https:\/\/support.apple.com\/en-us\/102400?utm_source=chatgpt.com\">Apple Support<\/a>)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Problem_Internet_still_does_not_work_after_APN_setup\"><\/span>Problem: Internet still does not work after APN setup<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Try in this order:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Turn <strong>Airplane Mode ON<\/strong> for 30 seconds, then OFF<\/li>\n\n\n\n<li>Restart phone<\/li>\n\n\n\n<li>Confirm <strong>IIJmio<\/strong> is selected for mobile data<\/li>\n\n\n\n<li>Set network mode to <strong>LTE \/ 4G<\/strong><\/li>\n\n\n\n<li>Turn <strong>Data Roaming ON<\/strong> temporarily<\/li>\n\n\n\n<li>Reset network settings<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"iPhone_reset_path\"><\/span>iPhone reset path<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Settings \u2192 General \u2192 Transfer or Reset iPhone \u2192 Reset \u2192 Reset Network Settings<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Android_reset_path\"><\/span>Android reset path<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Usually:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Settings \u2192 System \u2192 Reset options \u2192 Reset mobile network settings<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Menu name depends on the Android brand.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Problem_QR_code_already_used_or_eSIM_deleted\"><\/span>Problem: QR code already used or eSIM deleted<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This is the annoying one. IIJmio says the activation code can only be configured once and cannot be reused on another device. (<a href=\"https:\/\/www.iijmio.jp\/esim\/try\/qr\/\">iijmio.jp<\/a>)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So do <strong>not<\/strong> delete the eSIM unless IIJmio support tells you to. If deleted, you may need eSIM reissue from IIJmio.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"8_Quick_setup_summary\"><\/span>8. Quick setup summary<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"iPhone_short_version\"><\/span>iPhone short version<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Connect to <strong>Wi-Fi<\/strong><\/li>\n\n\n\n<li><strong>Settings \u2192 Cellular \u2192 Add eSIM<\/strong><\/li>\n\n\n\n<li>Scan IIJmio QR code<\/li>\n\n\n\n<li>Select <strong>IIJmio<\/strong> for cellular data<\/li>\n\n\n\n<li>Install <strong>My IIJmio<\/strong><\/li>\n\n\n\n<li>Download APN profile from <strong>APN\u69cb\u6210\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/strong><\/li>\n\n\n\n<li>Install from <strong>Settings \u2192 General \u2192 VPN &amp; Device Management<\/strong><\/li>\n\n\n\n<li>Restart iPhone<\/li>\n\n\n\n<li>Turn Wi-Fi off and test mobile data<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Android_short_version\"><\/span>Android short version<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Connect to <strong>Wi-Fi<\/strong><\/li>\n\n\n\n<li><strong>Settings \u2192 Network\/SIM \u2192 Add eSIM<\/strong><\/li>\n\n\n\n<li>Scan IIJmio QR code<\/li>\n\n\n\n<li>Select IIJmio for mobile data<\/li>\n\n\n\n<li>Add\/select APN:\n<ul class=\"wp-block-list\">\n<li>APN: <code>iijmio.jp<\/code><\/li>\n\n\n\n<li>Username: <code>mio@iij<\/code><\/li>\n\n\n\n<li>Password: <code>iij<\/code><\/li>\n\n\n\n<li>Authentication: <code>PAP or CHAP<\/code><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Save APN<\/li>\n\n\n\n<li>Restart Android<\/li>\n\n\n\n<li>Turn Wi-Fi off and test mobile data<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">Final practical advice: for iPhone, <strong>installing the IIJmio APN profile is the key step<\/strong> when signal appears but mobile data does not work \u2014 exactly what happened in your case.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. What you need before starting Before installing IIJmio eSIM, prepare these: Item Why you need it Wi-Fi connection eSIM [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-27309","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.holidaylandmark.com\/blog\/wp-json\/wp\/v2\/posts\/27309","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.holidaylandmark.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.holidaylandmark.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.holidaylandmark.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.holidaylandmark.com\/blog\/wp-json\/wp\/v2\/comments?post=27309"}],"version-history":[{"count":1,"href":"https:\/\/www.holidaylandmark.com\/blog\/wp-json\/wp\/v2\/posts\/27309\/revisions"}],"predecessor-version":[{"id":27310,"href":"https:\/\/www.holidaylandmark.com\/blog\/wp-json\/wp\/v2\/posts\/27309\/revisions\/27310"}],"wp:attachment":[{"href":"https:\/\/www.holidaylandmark.com\/blog\/wp-json\/wp\/v2\/media?parent=27309"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.holidaylandmark.com\/blog\/wp-json\/wp\/v2\/categories?post=27309"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.holidaylandmark.com\/blog\/wp-json\/wp\/v2\/tags?post=27309"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}