{"id":127059,"date":"2026-03-07T14:35:07","date_gmt":"2026-03-07T14:35:07","guid":{"rendered":"https:\/\/www.numeroesim.com\/blog\/?p=127059"},"modified":"2026-05-03T21:11:16","modified_gmt":"2026-05-03T21:11:16","slug":"activate-esim-galaxy-s25","status":"publish","type":"post","link":"https:\/\/www.numeroesim.com\/blog\/global\/activate-esim-galaxy-s25","title":{"rendered":"How to Activate eSIM on Samsung Galaxy S25, S25+ and S25 Ultra: Complete Guide"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text css=&#8221;&#8221;]<span style=\"font-weight: 400;\">Samsung&#8217;s Galaxy S25 lineup, the S25, S25+, and S25 Ultra, all support <\/span><a href=\"https:\/\/www.numeroesim.com\/esims\/regional\/global\"><span style=\"font-weight: 400;\">eSIM<\/span><\/a><span style=\"font-weight: 400;\"> technology alongside a traditional nano SIM slot. The S25 Ultra goes further with dual eSIM support, letting you run two eSIMs simultaneously without a physical card.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This guide walks through every step to activate an eSIM on your Galaxy S25 series, using Numero as the example provider. The steps work with any eSIM provider.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<h2><b>Before You Start<\/b><\/h2>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Software<\/b><span style=\"font-weight: 400;\">: Ensure your Galaxy S25 runs One UI 7 or later (<\/span><b>Settings \u2192 Software Update<\/b><span style=\"font-weight: 400;\">).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Wi-Fi<\/b><span style=\"font-weight: 400;\">: Connect to a stable network, eSIM activation requires internet.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>QR code ready<\/b><span style=\"font-weight: 400;\">: Have your eSIM provider&#8217;s QR code or activation code. Numero provides this in the app and via email.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Carrier lock<\/b><span style=\"font-weight: 400;\">: Carrier-locked devices may block third-party eSIM activation. Unlocked devices have no issue.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><b>Galaxy S25 eSIM Compatibility at a Glance<\/b><\/h2>\n<p>&nbsp;<\/p>\n<table>\n<thead>\n<tr>\n<th><b>Model<\/b><\/th>\n<th><b>Physical SIM<\/b><\/th>\n<th><b>eSIM Support<\/b><\/th>\n<th><b>Dual eSIM<\/b><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Galaxy S25<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1x Nano SIM<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Yes (1 eSIM)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">No<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Galaxy S25+<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1x Nano SIM<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Yes (1 eSIM)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">No<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Galaxy S25 Ultra<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1x Nano SIM<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Yes (2 eSIMs)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Yes<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">All three models support dual connectivity, one physical SIM and one eSIM at the same time. The S25 Ultra additionally supports two eSIMs, ideal for travelers who want separate data and voice lines.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<h2><b>Method 1: QR Code Installation<\/b><\/h2>\n<p>&nbsp;<\/p>\n<ol>\n<li><span style=\"font-weight: 400;\"> Open <\/span><b>Settings<\/b><span style=\"font-weight: 400;\"> on your Galaxy S25 series.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> Tap <\/span><b>Connections \u2192 SIM Manager<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> Tap <\/span><b>Add eSIM \u2192 Scan QR Code<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> Point your camera at the QR code from your <\/span><a href=\"https:\/\/www.numeroesim.com\/esims\/regional\/global\"><span style=\"font-weight: 400;\">eSIM<\/span><\/a><span style=\"font-weight: 400;\"> provider (e.g., Numero).<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> Confirm the plan details on screen.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> Wait for the profile to download, typically 30 seconds to 2 minutes.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> The new eSIM appears in SIM Manager alongside your physical SIM.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If the process stalls, restart your device and retry on a faster Wi-Fi connection.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><b>Method 2: Direct Install from the Numero App<\/b><\/h2>\n<p>&nbsp;<\/p>\n<ol>\n<li><span style=\"font-weight: 400;\"> Open the <\/span><b>Numero app<\/b><span style=\"font-weight: 400;\"> on your Galaxy S25.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> Purchase your preferred eSIM plan (<\/span><a href=\"https:\/\/www.numeroesim.com\/esims\/regional\/global\"><span style=\"font-weight: 400;\">data eSIM<\/span><\/a><span style=\"font-weight: 400;\"> or <\/span><a href=\"https:\/\/www.numeroesim.com\/esim-data-calls\"><span style=\"font-weight: 400;\">Full eSIM<\/span><\/a><span style=\"font-weight: 400;\">).<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> Tap <\/span><b>Install<\/b><span style=\"font-weight: 400;\"> &#8211; Samsung&#8217;s built-in eSIM manager handles the rest automatically.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This method skips QR scanning since the app communicates directly with your device&#8217;s eSIM manager.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><b>Method 3: Manual Activation Code Entry<\/b><\/h2>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Useful when the QR code was sent via email and you are viewing it on the same device.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<ol>\n<li><span style=\"font-weight: 400;\"> Go to <\/span><b>Settings \u2192 Connections \u2192 SIM Manager \u2192 Add eSIM<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> Select <\/span><b>Enter Activation Code<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> Paste or type the code from your provider.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> Confirm and wait for the profile to install.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><b>After Installation: Configuring Your Lines<\/b><\/h2>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Once your <\/span><a href=\"https:\/\/www.numeroesim.com\/esims\/regional\/global\"><span style=\"font-weight: 400;\">eSIM<\/span><\/a><span style=\"font-weight: 400;\"> is active, you need to tell your phone how to use it. This is where Samsung&#8217;s SIM Manager becomes particularly useful.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Label your plan<\/b><span style=\"font-weight: 400;\">: Tap the newly installed eSIM in SIM Manager and rename it, something like &#8220;Numero Travel&#8221; or &#8220;UK Data&#8221; makes it easy to identify.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Set preferred SIM for data<\/b><span style=\"font-weight: 400;\">: If you want all internet traffic to go through your Numero eSIM, set it as the default data line.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Set preferred SIM for calls<\/b><span style=\"font-weight: 400;\">: Keep your physical SIM as the default for voice calls if you want to remain reachable on your primary number.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Enable data roaming<\/b><span style=\"font-weight: 400;\">: If you are using the eSIM for international travel, whether <\/span><a href=\"https:\/\/www.numeroesim.com\/blog\/global\/uae\/travel-esim-from-uae\"><span style=\"font-weight: 400;\">from the UAE<\/span><\/a><span style=\"font-weight: 400;\"> or <\/span><a href=\"https:\/\/www.numeroesim.com\/blog\/global\/ksa\/travel-esim-saudi-arabia\"><span style=\"font-weight: 400;\">from Saudi Arabia<\/span><\/a><span style=\"font-weight: 400;\">, toggle on data roaming for the eSIM line specifically.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><b>Galaxy-Specific Tip: Per-App Data Rules<\/b><\/h3>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Samsung&#8217;s SIM Manager allows you to assign data rules per app. This means you can route streaming apps through your <\/span><a href=\"https:\/\/www.numeroesim.com\/esims\/regional\/global\"><span style=\"font-weight: 400;\">eSIM<\/span><\/a><span style=\"font-weight: 400;\"> data plan while keeping messaging apps on your physical SIM&#8217;s data. It is a feature unique to Samsung that gives you more control over how each SIM is used, especially handy when roaming with one line and staying local on the other.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><b>Troubleshooting Common Issues<\/b><\/h2>\n<p>&nbsp;<\/p>\n<h3><b>&#8220;eSIM option not showing in SIM Manager&#8221;<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">This usually means the device is carrier-locked. Contact your carrier to confirm eSIM support is enabled, or check if your device needs an unlock.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<h3><b>&#8220;Activation server error&#8221; during installation<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Retry on a more stable Wi-Fi connection. Avoid using mobile data for the initial eSIM download. If the issue persists, restart your device and try again.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<h3><b>&#8220;No signal after eSIM installation&#8221;<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Toggle Airplane Mode on and off. This forces the device to reconnect to available networks. If the <\/span><a href=\"https:\/\/www.numeroesim.com\/esims\/regional\/global\"><span style=\"font-weight: 400;\">eSIM<\/span><\/a><span style=\"font-weight: 400;\"> is for travel, signal will only appear once you arrive at the destination country, this is expected for travel eSIM plans whether heading <\/span><a href=\"https:\/\/www.numeroesim.com\/blog\/global\/uae\/esim-uae-to-uk-travel\"><span style=\"font-weight: 400;\">from the UAE to the UK<\/span><\/a><span style=\"font-weight: 400;\"> or <\/span><a href=\"https:\/\/www.numeroesim.com\/blog\/global\/ksa\/esim-turkey-from-saudi-arabia\"><span style=\"font-weight: 400;\">from Saudi Arabia to Turkey<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<h3><b>&#8220;Cannot use two eSIMs on my Galaxy S25&#8221;<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Dual eSIM is only available on the Galaxy S25 Ultra. The standard S25 and S25+ support one eSIM plus one physical SIM.<\/span>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text css=&#8221;&#8221;]<\/p>\n<h2><b>Frequently Asked Questions<\/b><\/h2>\n<p>[\/vc_column_text][vc_toggle title=&#8221;Can I switch between eSIM profiles without deleting them?&#8221; css=&#8221;&#8221;]<span style=\"font-weight: 400;\">Yes. Samsung&#8217;s SIM Manager lets you enable or disable individual eSIM profiles. You can keep multiple profiles installed and switch between them as needed.<\/span>[\/vc_toggle][vc_toggle title=&#8221;Will my Galaxy S25 work with eSIM outside my country?&#8221; css=&#8221;&#8221;]<span style=\"font-weight: 400;\">Yes. <\/span><a href=\"https:\/\/www.numeroesim.com\/esims\/regional\/global\"><span style=\"font-weight: 400;\">eSIM<\/span><\/a><span style=\"font-weight: 400;\"> functionality is hardware-based and works globally. However, carrier-locked devices may have restrictions, unlocked devices offer the most flexibility.<\/span>[\/vc_toggle][vc_toggle title=&#8221;Can I transfer my eSIM to a new phone?&#8221; css=&#8221;&#8221;]<a href=\"https:\/\/www.numeroesim.com\/esims\/regional\/global\"><span style=\"font-weight: 400;\">eSIM<\/span><\/a><span style=\"font-weight: 400;\"> profiles generally cannot be transferred directly between devices. You will need to deactivate the profile on your old device and reinstall it on your new one using the original QR code or activation details.<\/span>[\/vc_toggle][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text css=&#8221;&#8221;]<\/p>\n<h2><b>Conclusion<\/b><\/h2>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Activating an eSIM on the Galaxy S25 series takes minutes. Samsung&#8217;s SIM Manager gives you fine-grained control over your lines, and the S25 Ultra&#8217;s dual eSIM support adds flexibility for travelers and professionals. Heading abroad? Set up a <\/span><a href=\"https:\/\/www.numeroesim.com\/esims\/regional\/global\"><span style=\"font-weight: 400;\">travel eSIM<\/span><\/a><span style=\"font-weight: 400;\"> before your trip and land connected.<\/span>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text css=&#8221;&#8221;]Samsung&#8217;s Galaxy S25 lineup, the S25, S25+, and S25 Ultra, all support eSIM technology alongside a traditional nano SIM&#8230;<\/p>\n","protected":false},"author":7,"featured_media":127336,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"rank_math_title":"Activate eSIM on Galaxy S25, S25+ &amp; S25 Ultra | Numero eSIM","rank_math_description":"Step-by-step guide to activate eSIM on Samsung Galaxy S25, S25+, and S25 Ultra. QR code setup, direct install, and troubleshooting tips included.\n","rank_math_focus_keyword":"activate esim galaxy s25,galaxy s25 esim setup,samsung s25 ultra esim,s25 plus esim activation,install esim samsung 2026","_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[585],"tags":[],"class_list":["post-127059","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-global"],"jetpack_featured_media_url":"https:\/\/www.numeroesim.com\/blog\/wp-content\/uploads\/2026\/03\/Cover-6.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.numeroesim.com\/blog\/wp-json\/wp\/v2\/posts\/127059","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.numeroesim.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.numeroesim.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.numeroesim.com\/blog\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.numeroesim.com\/blog\/wp-json\/wp\/v2\/comments?post=127059"}],"version-history":[{"count":1,"href":"https:\/\/www.numeroesim.com\/blog\/wp-json\/wp\/v2\/posts\/127059\/revisions"}],"predecessor-version":[{"id":127060,"href":"https:\/\/www.numeroesim.com\/blog\/wp-json\/wp\/v2\/posts\/127059\/revisions\/127060"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.numeroesim.com\/blog\/wp-json\/wp\/v2\/media\/127336"}],"wp:attachment":[{"href":"https:\/\/www.numeroesim.com\/blog\/wp-json\/wp\/v2\/media?parent=127059"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.numeroesim.com\/blog\/wp-json\/wp\/v2\/categories?post=127059"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.numeroesim.com\/blog\/wp-json\/wp\/v2\/tags?post=127059"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}