{"id":11680,"date":"2026-03-17T22:22:20","date_gmt":"2026-03-17T15:22:20","guid":{"rendered":"https:\/\/tansonnhatairport.vn\/?p=11680"},"modified":"2026-03-17T22:22:20","modified_gmt":"2026-03-17T15:22:20","slug":"cach-cai-esim-android-viet-nam","status":"publish","type":"post","link":"https:\/\/tansonnhatairport.vn\/en\/cach-cai-esim-android-viet-nam.html","title":{"rendered":"How to Install eSIM on Android When Arriving in Vietnam (Detailed Step-by-Step Guide)"},"content":{"rendered":"<p data-path-to-node=\"24\">Welcome to Saigon! If you&#039;ve just landed at Tan Son Nhat Airport (SGN), the first thing you need is an internet connection. This article will guide you on how to quickly install a Vietnamese Android eSIM so you can have internet access as soon as you land.<\/p>\n<p data-path-to-node=\"25\">Installing a Vietnamese Android eSIM is currently the fastest way, taking only about 5 minutes and costing from 150,000 VND (6-7 USD) for high-capacity travel data packages. You can purchase it online in advance and activate it as soon as your plane lands, completely eliminating the need to queue at expensive physical SIM card counters in the international terminal.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_74 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\">Index<\/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' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/tansonnhatairport.vn\/en\/cach-cai-esim-android-viet-nam.html\/#1-tai-sao-du-khach-den-tan-son-nhat-nen-chon-esim-thay-vi-sim-vat-ly\" >1. Why should travelers to Tan Son Nhat choose eSIM instead of a physical SIM card?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/tansonnhatairport.vn\/en\/cach-cai-esim-android-viet-nam.html\/#2-kiem-tra-ngay-dien-thoai-android-cua-ban-co-ho-tro-esim-hay-khong-rat-quan-trong\" >2. Immediately check if your Android phone supports eSIM (VERY IMPORTANT)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/tansonnhatairport.vn\/en\/cach-cai-esim-android-viet-nam.html\/#3-top-3-nha-mang-cung-cap-esim-android-tot-nhat-cho-du-khach-viet-nam\" >3. Top 3 best mobile carriers offering Android eSIMs for Vietnamese tourists.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/tansonnhatairport.vn\/en\/cach-cai-esim-android-viet-nam.html\/#4-huong-dan-chi-tiet-cach-cai-esim-android-samsung-google-pixel%e2%80%a6\" >4. Detailed instructions on how to install eSIM on Android (Samsung, Google Pixel, etc.)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/tansonnhatairport.vn\/en\/cach-cai-esim-android-viet-nam.html\/#5-meo-%e2%80%9cinsider%e2%80%9d-de-cai-esim-android-nhanh-nhat-khi-vua-xuong-san-bay-tan-son-nhat\" >5. Insider tips for quickly installing an Android eSIM right after landing at Tan Son Nhat Airport.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/tansonnhatairport.vn\/en\/cach-cai-esim-android-viet-nam.html\/#6-cac-loi-thuong-gap-khi-cai-esim-tren-android-va-cach-khac-phuc-ngay\" >6. Common errors when installing eSIM on Android and how to fix them immediately.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/tansonnhatairport.vn\/en\/cach-cai-esim-android-viet-nam.html\/#7-su-dung-dual-sim-esim-sim-vat-ly-tren-android-tai-viet-nam-the-nao-cho-toi-uu\" >7. How to optimally use Dual SIM (eSIM + physical SIM) on Android in Vietnam?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/tansonnhatairport.vn\/en\/cach-cai-esim-android-viet-nam.html\/#bang-so-sanh-cac-hinh-thuc-ket-noi-internet-tai-tan-son-nhat\" >Comparison table of Internet connection options at Tan Son Nhat Airport.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/tansonnhatairport.vn\/en\/cach-cai-esim-android-viet-nam.html\/#faq-%e2%80%93-nhung-cau-hoi-thuong-gap-ve-cach-cai-esim-android-viet-nam\" >FAQ \u2013 Frequently Asked Questions about installing eSIM on Vietnamese Android devices<\/a><\/li><\/ul><\/nav><\/div>\n<h2 data-path-to-node=\"26\"><span class=\"ez-toc-section\" id=\"1-tai-sao-du-khach-den-tan-son-nhat-nen-chon-esim-thay-vi-sim-vat-ly\"><\/span>1. Why should travelers to Tan Son Nhat choose eSIM instead of a physical SIM card?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-path-to-node=\"27\">Installing an eSIM allows you to have internet access on the plane as soon as you land, without having to remove or insert a SIM card, and keeps your main SIM card for receiving emergency calls from home.<\/p>\n<p data-path-to-node=\"28\">I witnessed hundreds of tired travelers queuing at SIM card counters at Tan Son Nhat International Airport after a long flight. They often had to pay higher prices (20-30%) for &quot;traveler&quot; packages with suboptimal data allowances. With eSIM, you skip this step. You can book a Grab taxi, contact relatives, or look up maps to your hotel while walking to the immigration area. This is the ultimate technological survival strategy at a busy airport like Tan Son Nhat.<\/p>\n<figure id=\"attachment_11681\" aria-describedby=\"caption-attachment-11681\" style=\"width: 1020px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-large wp-image-11681 lazyload\" data-src=\"https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-1-1-1024x572.webp\" alt=\"H\u01b0\u1edbng d\u1eabn c\u00e1ch c\u00e0i eSIM Android Vi\u1ec7t Nam cho du kh\u00e1ch t\u1ea1i s\u1ea3nh ga \u0111\u1ebfn S\u00e2n bay T\u00e2n S\u01a1n Nh\u1ea5t (SGN)\" width=\"1020\" height=\"570\" data-srcset=\"https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-1-1-1024x572.webp 1024w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-1-1-300x167.webp 300w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-1-1-768x429.webp 768w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-1-1-1536x857.webp 1536w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-1-1-2048x1143.webp 2048w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-1-1-18x10.webp 18w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-1-1-600x335.webp 600w\" data-sizes=\"(max-width: 1020px) 100vw, 1020px\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 1020px; --smush-placeholder-aspect-ratio: 1020\/570;\" \/><noscript><img decoding=\"async\" class=\"size-large wp-image-11681\" src=\"https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-1-1-1024x572.webp\" alt=\"H\u01b0\u1edbng d\u1eabn c\u00e1ch c\u00e0i eSIM Android Vi\u1ec7t Nam cho du kh\u00e1ch t\u1ea1i s\u1ea3nh ga \u0111\u1ebfn S\u00e2n bay T\u00e2n S\u01a1n Nh\u1ea5t (SGN)\" width=\"1020\" height=\"570\" srcset=\"https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-1-1-1024x572.webp 1024w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-1-1-300x167.webp 300w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-1-1-768x429.webp 768w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-1-1-1536x857.webp 1536w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-1-1-2048x1143.webp 2048w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-1-1-18x10.webp 18w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-1-1-600x335.webp 600w\" sizes=\"(max-width: 1020px) 100vw, 1020px\" \/><\/noscript><figcaption id=\"caption-attachment-11681\" class=\"wp-caption-text\">You&#039;ll have 4G internet access right after landing at Tan Son Nhat Airport thanks to installing eSIM on your Android device.<\/figcaption><\/figure>\n<h2 data-path-to-node=\"30\"><span class=\"ez-toc-section\" id=\"2-kiem-tra-ngay-dien-thoai-android-cua-ban-co-ho-tro-esim-hay-khong-rat-quan-trong\"><\/span>2. Immediately check if your Android phone supports eSIM (VERY IMPORTANT)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-path-to-node=\"31\">You can only install a Vietnamese Android eSIM if your device is a high-end model manufactured after 2019 and is not network locked (unlocked).<\/p>\n<p data-path-to-node=\"32\">Before purchasing any eSIM package, locals recommend this quick method: Go to the Phone app, enter the code. <code data-path-to-node=\"32\" data-index-in-node=\"125\">*#06#<\/code>If you see the text <b data-path-to-node=\"32\" data-index-in-node=\"154\">EID<\/b> A long string of numbers appeared, and congratulations, your device supports eSIM.<\/p>\n<p data-path-to-node=\"33\">The second way is to go in <b data-path-to-node=\"33\" data-index-in-node=\"20\">Settings -&gt; Connections -&gt; SIM Manager<\/b>If there are options <b data-path-to-node=\"33\" data-index-in-node=\"110\">&quot;Add eSIM&quot;<\/b>Your device is ready. Please make sure your device is the international version. Many laptops imported from the US or Japan to Vietnam may have this feature locked.<\/p>\n<h2 data-path-to-node=\"34\"><span class=\"ez-toc-section\" id=\"3-top-3-nha-mang-cung-cap-esim-android-tot-nhat-cho-du-khach-viet-nam\"><\/span>3. Top 3 best mobile carriers offering Android eSIMs for Vietnamese tourists.<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-path-to-node=\"35\">In Vietnam, Viettel has the best 4G\/5G coverage (including in remote areas), followed by Vinaphone and Mobifone.<\/p>\n<p data-path-to-node=\"36\">Based on my experience as someone who frequently travels around the airport area, I recommend choosing eSIM from [company name]. <b data-path-to-node=\"36\" data-index-in-node=\"109\">Viettel<\/b>Their signal is extremely strong inside Terminals T1 and T2, as well as in the underground parking areas. Vinaphone is a very good second option, with very fast data speeds within Ho Chi Minh City. Mobifone is popular with its cheap packages, but the signal might be slightly weaker when you travel to neighboring provinces.<\/p>\n<p data-path-to-node=\"37\">You can easily purchase eSIMs from these three carriers through online retailers or travel apps such as <a href=\"https:\/\/www.klook.com\" target=\"_blank\" rel=\"noopener\">Klook<\/a>Traveloka before flying to Vietnam.<\/p>\n<h2 data-path-to-node=\"38\"><span class=\"ez-toc-section\" id=\"4-huong-dan-chi-tiet-cach-cai-esim-android-samsung-google-pixel%e2%80%a6\"><\/span>4. Detailed instructions on how to install eSIM on Android (Samsung, Google Pixel, etc.)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-path-to-node=\"39\">Installing an eSIM on a Vietnamese Android device is very simple. The process basically involves scanning the QR code provided by the network operator via email, and it takes about 2-3 minutes to complete.<\/p>\n<p data-path-to-node=\"40\"><b data-path-to-node=\"40\" data-index-in-node=\"0\">For Samsung Galaxy phones (most popular):<\/b><\/p>\n<ol start=\"1\" data-path-to-node=\"41\">\n<li>\n<p data-path-to-node=\"41,0,0\">Enter <b data-path-to-node=\"41,0,0\" data-index-in-node=\"4\">Settings<\/b> -&gt; Select <b data-path-to-node=\"41,0,0\" data-index-in-node=\"31\">Connections<\/b>.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"41,1,0\">Select <b data-path-to-node=\"41,1,0\" data-index-in-node=\"5\">SIM manager<\/b>.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"41,2,0\">Press <b data-path-to-node=\"41,2,0\" data-index-in-node=\"5\">Add eSIM<\/b>.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"41,3,0\">Select <b data-path-to-node=\"41,3,0\" data-index-in-node=\"5\">Scan the QR code from the service provider.<\/b>.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"41,4,0\">Point your camera at the QR code you receive and scan it.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"41,5,0\">Press <b data-path-to-node=\"41,5,0\" data-index-in-node=\"5\">Add<\/b> To begin downloading the eSIM profile to your device.<\/p>\n<\/li>\n<\/ol>\n<p data-path-to-node=\"42\"><b data-path-to-node=\"42\" data-index-in-node=\"0\">For Google Pixel phones:<\/b><\/p>\n<ol start=\"1\" data-path-to-node=\"43\">\n<li>\n<p data-path-to-node=\"43,0,0\">Enter <b data-path-to-node=\"43,0,0\" data-index-in-node=\"4\">adjusting<\/b> -&gt; Select <b data-path-to-node=\"43,0,0\" data-index-in-node=\"21\">Network &amp; Internet<\/b>.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"43,1,0\">Press the button <b data-path-to-node=\"43,1,0\" data-index-in-node=\"9\">+<\/b> next to <b data-path-to-node=\"43,1,0\" data-index-in-node=\"20\">SIMs<\/b>.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"43,2,0\">Select <b data-path-to-node=\"43,2,0\" data-index-in-node=\"5\">Download a SIM instead?<\/b>.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"43,3,0\">Press <b data-path-to-node=\"43,3,0\" data-index-in-node=\"5\">Next<\/b>Then scan the carrier&#039;s QR code.<\/p>\n<\/li>\n<\/ol>\n<figure id=\"attachment_11682\" aria-describedby=\"caption-attachment-11682\" style=\"width: 1020px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-large wp-image-11682 lazyload\" data-src=\"https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-2-1-1024x765.webp\" alt=\"Bi\u1ec3u \u0111\u1ed3 th\u00f4ng tin 4 b\u01b0\u1edbc c\u00e0i eSIM Android Vi\u1ec7t Nam ch\u1ec9 trong 5 ph\u00fat cho du kh\u00e1ch \u0111\u1ebfn T\u00e2n S\u01a1n Nh\u1ea5t: 1. Ki\u1ec3m tra m\u00e1y h\u1ed7 tr\u1ee3, 2. K\u1ebft n\u1ed1i Wi-Fi \u1ed5n \u0111\u1ecbnh, 3. Qu\u00e9t m\u00e3 QR c\u1ee7a nh\u00e0 m\u1ea1ng Viettel\/Vinaphone, 4. K\u00edch ho\u1ea1t m\u1ea1ng data.\" width=\"1020\" height=\"762\" data-srcset=\"https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-2-1-1024x765.webp 1024w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-2-1-300x224.webp 300w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-2-1-768x573.webp 768w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-2-1-1536x1147.webp 1536w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-2-1-2048x1529.webp 2048w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-2-1-16x12.webp 16w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-2-1-600x448.webp 600w\" data-sizes=\"(max-width: 1020px) 100vw, 1020px\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 1020px; --smush-placeholder-aspect-ratio: 1020\/762;\" \/><noscript><img decoding=\"async\" class=\"size-large wp-image-11682\" src=\"https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-2-1-1024x765.webp\" alt=\"Bi\u1ec3u \u0111\u1ed3 th\u00f4ng tin 4 b\u01b0\u1edbc c\u00e0i eSIM Android Vi\u1ec7t Nam ch\u1ec9 trong 5 ph\u00fat cho du kh\u00e1ch \u0111\u1ebfn T\u00e2n S\u01a1n Nh\u1ea5t: 1. Ki\u1ec3m tra m\u00e1y h\u1ed7 tr\u1ee3, 2. K\u1ebft n\u1ed1i Wi-Fi \u1ed5n \u0111\u1ecbnh, 3. Qu\u00e9t m\u00e3 QR c\u1ee7a nh\u00e0 m\u1ea1ng Viettel\/Vinaphone, 4. K\u00edch ho\u1ea1t m\u1ea1ng data.\" width=\"1020\" height=\"762\" srcset=\"https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-2-1-1024x765.webp 1024w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-2-1-300x224.webp 300w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-2-1-768x573.webp 768w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-2-1-1536x1147.webp 1536w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-2-1-2048x1529.webp 2048w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-2-1-16x12.webp 16w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-2-1-600x448.webp 600w\" sizes=\"(max-width: 1020px) 100vw, 1020px\" \/><\/noscript><figcaption id=\"caption-attachment-11682\" class=\"wp-caption-text\">Four quick steps to get data access as soon as you land: Check, Connect to airport Wi-Fi, Scan the Vietnamese network provider&#039;s QR code, and Activate.<\/figcaption><\/figure>\n<h2 data-path-to-node=\"45\"><span class=\"ez-toc-section\" id=\"5-meo-%e2%80%9cinsider%e2%80%9d-de-cai-esim-android-nhanh-nhat-khi-vua-xuong-san-bay-tan-son-nhat\"><\/span>5. Insider tips for quickly installing an Android eSIM right after landing at Tan Son Nhat Airport.<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-path-to-node=\"46\">Purchase your eSIM online at least 24 hours before your flight and scan the QR code at your departure airport where you have stable Wi-Fi.<\/p>\n<p data-path-to-node=\"47\">Although Tan Son Nhat Airport offers free Wi-Fi (named &quot;Free Wifi Tan Son Nhat Airport&quot;), the speed is often very unstable due to the large number of users. The eSIM activation process requires a stable internet connection to download several tens of MB of data.<\/p>\n<p data-path-to-node=\"48\">Locals often do it this way: Buy an eSIM online, take a screenshot of the QR code or print it out. While waiting in the international airport lounge for your flight back to Vietnam, scan this QR code beforehand. The eSIM will be added to your phone but won&#039;t have a signal yet. When you land at Tan Son Nhat airport, simply go to Settings, turn on the eSIM, and enable &quot;Data Roaming&quot; (if it&#039;s an international travel SIM) to get a network connection immediately, without relying on airport Wi-Fi.<\/p>\n<figure id=\"attachment_11683\" aria-describedby=\"caption-attachment-11683\" style=\"width: 1020px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-large wp-image-11683 lazyload\" data-src=\"https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-3-1-1024x559.webp\" alt=\"C\u1eadn c\u1ea3nh h\u00e0nh kh\u00e1ch qu\u00e9t m\u00e3 QR \u0111\u1ec3 c\u00e0i eSIM Android (Google Pixel) t\u1ea1i m\u1ed9t qu\u00e1n c\u00e0 ph\u00ea g\u1ea7n ga \u0111\u1ebfn S\u00e2n bay T\u00e2n S\u01a1n Nh\u1ea5t (SGN).\" width=\"1020\" height=\"557\" data-srcset=\"https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-3-1-1024x559.webp 1024w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-3-1-300x164.webp 300w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-3-1-768x419.webp 768w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-3-1-1536x838.webp 1536w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-3-1-2048x1117.webp 2048w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-3-1-18x10.webp 18w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-3-1-600x327.webp 600w\" data-sizes=\"(max-width: 1020px) 100vw, 1020px\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 1020px; --smush-placeholder-aspect-ratio: 1020\/557;\" \/><noscript><img decoding=\"async\" class=\"size-large wp-image-11683\" src=\"https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-3-1-1024x559.webp\" alt=\"C\u1eadn c\u1ea3nh h\u00e0nh kh\u00e1ch qu\u00e9t m\u00e3 QR \u0111\u1ec3 c\u00e0i eSIM Android (Google Pixel) t\u1ea1i m\u1ed9t qu\u00e1n c\u00e0 ph\u00ea g\u1ea7n ga \u0111\u1ebfn S\u00e2n bay T\u00e2n S\u01a1n Nh\u1ea5t (SGN).\" width=\"1020\" height=\"557\" srcset=\"https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-3-1-1024x559.webp 1024w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-3-1-300x164.webp 300w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-3-1-768x419.webp 768w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-3-1-1536x838.webp 1536w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-3-1-2048x1117.webp 2048w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-3-1-18x10.webp 18w, https:\/\/tansonnhatairport.vn\/wp-content\/uploads\/2026\/03\/Hinh-3-1-600x327.webp 600w\" sizes=\"(max-width: 1020px) 100vw, 1020px\" \/><\/noscript><figcaption id=\"caption-attachment-11683\" class=\"wp-caption-text\">Practical experience: Scan the QR code from your Viettel\/Vinaphone eSIM card to activate 4G data immediately after landing.<\/figcaption><\/figure>\n<h2 data-path-to-node=\"50\"><span class=\"ez-toc-section\" id=\"6-cac-loi-thuong-gap-khi-cai-esim-tren-android-va-cach-khac-phuc-ngay\"><\/span>6. Common errors when installing eSIM on Android and how to fix them immediately.<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-path-to-node=\"51\">The most common error is the message &quot;Unable to add eSIM&quot; or &quot;QR code has expired,&quot; usually because the device is network locked or you have already scanned the code once before.<\/p>\n<ul data-path-to-node=\"52\">\n<li>\n<p data-path-to-node=\"52,0,0\"><b data-path-to-node=\"52,0,0\" data-index-in-node=\"0\">Error \u201cInvalid\/Expired QR Code\u201d:<\/b> Most eSIM QR codes can only be scanned ONCE. If you accidentally delete your eSIM, you must contact your network provider to get a new code (this may incur a fee).<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"52,1,0\"><b data-path-to-node=\"52,1,0\" data-index-in-node=\"0\">The device is not receiving a signal.<\/b> After installation, make sure you have enabled the eSIM and selected it as the default SIM for mobile data. If that still doesn&#039;t work, try turning Airplane Mode on and off or restarting your device.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"52,2,0\"><b data-path-to-node=\"52,2,0\" data-index-in-node=\"0\">Error: Data Roaming is not enabled.<\/b> If you buy eSIM from international providers (such as <a href=\"https:\/\/www.airalo.com\" target=\"_blank\" rel=\"noopener\">Airalo<\/a>You must enable the &quot;Data Roaming&quot; feature in your SIM settings to access the internet in Vietnam.<\/p>\n<\/li>\n<\/ul>\n<h2 data-path-to-node=\"53\"><span class=\"ez-toc-section\" id=\"7-su-dung-dual-sim-esim-sim-vat-ly-tren-android-tai-viet-nam-the-nao-cho-toi-uu\"><\/span>7. How to optimally use Dual SIM (eSIM + physical SIM) on Android in Vietnam?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-path-to-node=\"54\">The best setup is to use a Vietnamese eSIM for data (network) and your physical SIM for calls\/messages (only for receiving OTPs or emergency calls).<\/p>\n<p data-path-to-node=\"55\">Android allows you to manage this in great detail. Go to <b data-path-to-node=\"55\" data-index-in-node=\"56\">SIM Management<\/b>Then, set the newly installed Vietnamese eSIM as the default SIM. <b data-path-to-node=\"55\" data-index-in-node=\"107\">&quot;Mobile data&quot;<\/b> Main. Items <b data-path-to-node=\"55\" data-index-in-node=\"154\">&quot;Calls&quot;<\/b> and <b data-path-to-node=\"55\" data-index-in-node=\"176\">&quot;Messages&quot;<\/b>Please keep your physical SIM card registered in your name.<\/p>\n<p data-path-to-node=\"56\">This helps you avoid expensive roaming data charges from your home network provider, while still ensuring you receive bank OTP messages or important calls without interruption.<\/p>\n<h2 data-path-to-node=\"57\"><span class=\"ez-toc-section\" id=\"bang-so-sanh-cac-hinh-thuc-ket-noi-internet-tai-tan-son-nhat\"><\/span>Comparison table of Internet connection options at Tan Son Nhat Airport.<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table data-path-to-node=\"58\">\n<thead>\n<tr>\n<td><strong>Characteristic<\/strong><\/td>\n<td><strong>Vietnamese Android eSIM (Buy Online)<\/strong><\/td>\n<td><strong>Physical SIM card (Purchased at Tan Son Nhat Airport)<\/strong><\/td>\n<td><strong>Free Wi-Fi at Tan Son Nhat Airport.<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"58,1,0,0\"><b data-path-to-node=\"58,1,0,0\" data-index-in-node=\"0\">Convenience<\/b><\/span><\/td>\n<td><span data-path-to-node=\"58,1,1,0\">Very high (Network available immediately upon landing)<\/span><\/td>\n<td><span data-path-to-node=\"58,1,2,0\">Low (Requires queuing and disassembly)<\/span><\/td>\n<td><span data-path-to-node=\"58,1,3,0\">Average (Automatic connection)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"58,2,0,0\"><b data-path-to-node=\"58,2,0,0\" data-index-in-node=\"0\">Speed<\/b><\/span><\/td>\n<td><span data-path-to-node=\"58,2,1,0\">4G\/5G is very fast (Viettel\/Vina)<\/span><\/td>\n<td><span data-path-to-node=\"58,2,2,0\">Fast 4G\/5G<\/span><\/td>\n<td><span data-path-to-node=\"58,2,3,0\">Intermittent, weak<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"58,3,0,0\"><b data-path-to-node=\"58,3,0,0\" data-index-in-node=\"0\">Expense<\/b><\/span><\/td>\n<td><span data-path-to-node=\"58,3,1,0\">Cheap (From 150,000 VND)<\/span><\/td>\n<td><span data-path-to-node=\"58,3,2,0\">High (From 250,000 VND)<\/span><\/td>\n<td><span data-path-to-node=\"58,3,3,0\">Free of charge<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"58,4,0,0\"><b data-path-to-node=\"58,4,0,0\" data-index-in-node=\"0\">Privacy<\/b><\/span><\/td>\n<td><span data-path-to-node=\"58,4,1,0\">Safe<\/span><\/td>\n<td><span data-path-to-node=\"58,4,2,0\">Safe<\/span><\/td>\n<td><span data-path-to-node=\"58,4,3,0\">Security risks<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"58,5,0,0\"><b data-path-to-node=\"58,5,0,0\" data-index-in-node=\"0\">Coverage area<\/b><\/span><\/td>\n<td><span data-path-to-node=\"58,5,1,0\">Nationwide<\/span><\/td>\n<td><span data-path-to-node=\"58,5,2,0\">Nationwide<\/span><\/td>\n<td><span data-path-to-node=\"58,5,3,0\">Only inside the train station<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 data-path-to-node=\"59\"><span class=\"ez-toc-section\" id=\"faq-%e2%80%93-nhung-cau-hoi-thuong-gap-ve-cach-cai-esim-android-viet-nam\"><\/span>FAQ \u2013 Frequently Asked Questions about installing eSIM on Vietnamese Android devices<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-path-to-node=\"60\"><b data-path-to-node=\"60\" data-index-in-node=\"0\">Q1: Can I use a physical eSIM alongside an eSIM on Android?<\/b><\/p>\n<p data-path-to-node=\"60\">Yes, most Android phones that support eSIM (like the Samsung S22 and above) allow you to use one physical SIM and one eSIM simultaneously without any problems.<\/p>\n<p data-path-to-node=\"61\"><b data-path-to-node=\"61\" data-index-in-node=\"0\">Q2: How do I delete an eSIM on Android if I no longer use it?<\/b><\/p>\n<p data-path-to-node=\"61\">Go to Settings -&gt; SIM Management -&gt; Select the eSIM you want to delete -&gt; Tap \u201cDelete\u201d or \u201cRemove\u201d. <b data-path-to-node=\"61\" data-index-in-node=\"133\">Note:<\/b> Only delete it when your plan has expired, as you cannot scan the old QR code to use it again.<\/p>\n<p data-path-to-node=\"62\"><b data-path-to-node=\"62\" data-index-in-node=\"0\">Q3: How long is a Vietnamese eSIM QR code valid for?<\/b><\/p>\n<p data-path-to-node=\"62\">Depending on the provider, the QR code is usually valid for 30 to 90 days from the date of purchase. However, it&#039;s best to buy it close to your flight date (about 1-2 days before departure) to ensure it doesn&#039;t expire.<\/p>\n<p data-path-to-node=\"63\"><b data-path-to-node=\"63\" data-index-in-node=\"0\">Q4: Do I need an internet connection to install a Vietnamese Android eSIM?<\/b><\/p>\n<p data-path-to-node=\"63\">This is absolutely essential. You cannot download the eSIM profile to your device without a network connection (Wi-Fi or other data). Therefore, install it before your flight or use the airport&#039;s Wi-Fi (if stable).<\/p>\n<p data-path-to-node=\"64\"><b data-path-to-node=\"64\" data-index-in-node=\"0\">Q5: Can I buy an Android eSIM at the counter at Tan Son Nhat Airport?<\/b><\/p>\n<p data-path-to-node=\"64\">Yes, but it&#039;s not common. Counters at international terminals usually prefer selling physical SIM cards because the registration process is easier. Installing eSIMs takes more time and requires more support, so they are often reluctant to recommend them.<\/p>\n<p data-path-to-node=\"3\">After learning how to properly install a Vietnamese Android eSIM, you&#039;ve secured your technological &quot;survival ticket&quot; to begin your exploration of Saigon. However, to optimize costs and gain a more comprehensive understanding of the Vietnamese telecommunications market in 2026, we &quot;insiders&quot; recommend you check out these two additional tips:<\/p>\n<ul data-path-to-node=\"4\">\n<li>\n<p data-path-to-node=\"4,0,0\"><a href=\"https:\/\/tansonnhatairport.vn\/esim-hay-sim-vat-ly-du-lich-viet-nam.html\"><b data-path-to-node=\"4,0,0\" data-index-in-node=\"0\">eSIM vs. Physical SIM for Tourists Visiting Vietnam: Which Should You Choose?<\/b><\/a><\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"4,1,0\"><a href=\"https:\/\/tansonnhatairport.vn\/mua-esim-vietnam-san-bay-tan-son-nhat.html\"><b data-path-to-node=\"4,1,0\" data-index-in-node=\"0\">Buying a Vietnam eSIM at Tan Son Nhat Airport \u2014 Comparison with Saily, Airalo, and Klook 2026<\/b><\/a><\/p>\n<\/li>\n<\/ul>\n<p>Don&#039;t forget to save this article and share it with your friends who are about to fly! We hope this guide helps you have a smooth connection experience as soon as you arrive in Ho Chi Minh City. For more detailed guides on dining, accommodation, and transportation, please visit [website address]. <a href=\"https:\/\/tansonnhatairport.vn\/\">Homepage of the website.\u00a0<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Welcome to Saigon! If you&#039;ve just landed at Tan Son Nhat Airport (SGN), the first thing you need is an internet connection. This article will guide you on how to quickly install a Vietnamese Android eSIM so you can have internet access as soon as you land. Installing a Vietnamese Android eSIM [\u2026]","protected":false},"author":1,"featured_media":11681,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-11680","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cam-nang-du-lich"],"_links":{"self":[{"href":"https:\/\/tansonnhatairport.vn\/en\/wp-json\/wp\/v2\/posts\/11680","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tansonnhatairport.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tansonnhatairport.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tansonnhatairport.vn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tansonnhatairport.vn\/en\/wp-json\/wp\/v2\/comments?post=11680"}],"version-history":[{"count":2,"href":"https:\/\/tansonnhatairport.vn\/en\/wp-json\/wp\/v2\/posts\/11680\/revisions"}],"predecessor-version":[{"id":11685,"href":"https:\/\/tansonnhatairport.vn\/en\/wp-json\/wp\/v2\/posts\/11680\/revisions\/11685"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tansonnhatairport.vn\/en\/wp-json\/wp\/v2\/media\/11681"}],"wp:attachment":[{"href":"https:\/\/tansonnhatairport.vn\/en\/wp-json\/wp\/v2\/media?parent=11680"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tansonnhatairport.vn\/en\/wp-json\/wp\/v2\/categories?post=11680"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tansonnhatairport.vn\/en\/wp-json\/wp\/v2\/tags?post=11680"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}