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USA eSIM for UNLIMITED

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This is a SIM card built into the smartphone,

and is a communication method

that can be used without

physically inserting

or removing the SIM card.

Preparing for an overseas trip is a lot of work, with passports, plane tickets, and local currency all required!
A smartphone is essential for doing research and using maps when abroad.
Rent a Wi-Fi router?
Buying an overseas prepaid SIM?
In such cases, you can use an overseas eSIM service that can be used immediately on your smartphone without any complicated procedures.

Owning two SIM cards and Wi-Fi routers

Purchasing an overseas SIM

The rush before departure

Risk of losing your SIM

Overseas Wi-Fi Rental

  • Wi-Fi router must be picked up and returned
  • It's heavy to carry around and bulky
  • Wi-Fi router battery level

Overseas prepaid SIM

  • It takes several days from purchase to delivery
  • Risk of loss or malfunction of the replaced SIM
  • You need to replace the SIM card you purchased.

Carrier Roaming

  • You may end up with an unexpected bill

No need to swap SIM cards

With eSIM, you can use it just by scanning a QR code, so there is no need to replace the SIM and there is no risk of it being lost or damaged.

Complete your application online

The activation procedure can be completed online, and after setting up your device, you can be up and running in as little as 10 minutes!

You can apply at your destination

You can apply locally via Wi-Fi at local airports, hotels, etc.!

It won't become baggage when traveling

You don't need to carry a Wi-Fi router, so you can travel light and you don't have to worry about running out of battery.

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Why SIMLESS eSIM?

Connect instantly anywhere with eSIM.
You can enjoy stable communication at a reasonable price.

POINT

1

High-speed internet throughout Japan

Don't worry if you exceed your data limit. With speeds of up to 1Mbps, you can smoothly browse the web, watch videos, and navigate using map apps.

POINT

2

Flexible pricing plans

We offer the best data plan to suit the length and style of your trip. We provide reliable high-speed communications to ensure you always have a comfortable internet environment.

POINT

3

Reliable customer support

Available 24 hours a day, 365 days a year! We will support you so that you can connect smoothly even if it is your first time using the service.

With SIMLESS eSIM

Early!

  • No need to pick up a SIM card!
  • 4G high-speed data communication!
  • Even after exceeding the capacity, you can continue to use the service at a maximum of 1Mbps for the duration of the period.

Easy!

  • No need to pick up a SIM card!
  • 4G high-speed data communication!
  • Even after exceeding the capacity, you can continue to use the service at a maximum of 1Mbps for the duration of the period.

Reliable!

  • Prepaid so no high charges
  • No need to worry about losing your SIM card
  • Resolve any questions with 24/7 customer support
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Please make sure that your device is eSiM compatible and the SIM is unlocked.

List of eSIM compatible devices

(As of July 2025)

IOS

iPhone 16 Pro Max / iPhone 16 Pro / Phone 16 plus / iPhone 16 / iPhone 15 Pro Max / iPhone 15 Pro / iPhone 15 Plus / iPhone 15 / iPhone 14 Pro Max / iPhone 14 Pro / iPhone 14 Plus / iPhone 14 / iPhone 13 Pro Max / iPhone 13 Pro / iPhone 13 mini / iPhone 13 / iPhone 12 Pro Max / iPhone 12 Pro / iPhone 12 mini / iPhone 12 / iPhone 11 Pro Max / iPhone 11 Pro / iPhone 11 / iPhone XS / iPhone XS Max / iPhone XR / iPhone SE 3 (2022) / iPhone SE 2 (2020)

Android

Stellar 4a / Google Pixel 4 XL / Hammer Exporer PRO / Hammer Blade 3 / Hammer Blade 5G / HONOR Magic 4 Pro / HONOR Magic 5 pro / Huawei P40 / Huawei P40 Pro / Huawei Mate 40 Pro / Motorola Razr / Motorola Razr 5G / Motorola RAZR 40 / Motorola RAZR 40 Ultra / Motorola EDGE 40 Pro / Motorola G53 5G / Motorola G52J 5G / Motorola G53J 5G / Nokia G60 5G / Nokia X30 5G / Nokia XR21 / X5 / OnePlus 11 5G / OnePlus 12 5G / Oppo Find N2 Flip / Oppo Find X3 Pro / Oppo Find X5 / Oppo Find X5 Pro / Oppo Reno 5 A / Oppo A55s 5G / Oppo Reno6 Pro 5G / Rakuten Hand 5G / Rakuten Mini / Rakuten Big‑S / Rakuten Big / Samsung / Samsung Galaxy S24 / Samsung Galaxy S24 Ultra / Samsung Galaxy S24+ / Samsung Galaxy A54 5G /
Samsung Galaxy Fold / Samsung Galaxy Note20 / Samsung Galaxy Note20 Ultra / Samsung Galaxy S23 / Samsung Galaxy S23+ /
Samsung Galaxy S23 Ultra / Samsung Galaxy S22 / Samsung Galaxy S22+ / Samsung Galaxy S22 Ultra / Samsung Galaxy S21 5G / Samsung Galaxy S21+ 5G / Samsung Galaxy S21 Ultra 5G / Samsung Galaxy S20 / Samsung Galaxy S20+ / Samsung Galaxy S20 Ultra / Samsung Galaxy Z Flip / Samsung Galaxy Z Fold 2 / Samsung Galaxy Z Fold 3 5G / Samsung Galaxy Z Fold 4 /
Samsung Galaxy Z Fold 5 / Samsung Galaxy Z Flip 3 5G Fold / Samsung Galaxy Z Flip 3 5G / Samsung Galaxy Z Flip 4 /
Samsung Galaxy Z Flip 5 / Samsung Galaxy Tab S9 / Aquos Sense 4 lite / Aquos Sense 7 / Aquos R8 Pro / Xperia 10 III Lite /
Xperia 1 IV / Xperia 5 IV / Xperia 10 IV / Xperia 1 V / Xperia 5 V / Xperia 10 V / Surface Duo / Xiaomi 14 Pro / Xiaomi 14 /
Xiaomi 12T Pro / Xiaomi 13 / Xiaomi 13 Lite / Xiaomi 13 Pro

* Please note that some overseas models do not support eSIM, so please check before purchasing.
* Operation is not guaranteed for Android or other devices not listed.

How to use in 3 steps?

The setup is very easy! You can even set it up right before your trip!

Purchase an eSIM with your preferred plan

Scan the QR code you received with your smartphone and set it up

Ready to connect!

User Comments

事前に登録しておけば何の問題もなく使えて良かったです。
事前登録説明の日本語がちょっと…って感じで心配でしたが、問題なし。

★ri★
2025年6月29日

まずは対象機種の確認ですね。
以前も利用したことありましたが、急遽前日に渡韓を決めたので慌ててポチリました。

Amazon カスタマー
2025年 6月8日

台湾旅行へ行く際に1度SIMカードの注文を忘れたので急遽eSIMカードを購入しました。
日本語での説明書がPDFできたりと、サポートはバッチリでした👌

revy0102
2025年11月4日

問題なく使えました。ネットも快適でした。国際電話かかってきましたが普通に受ける事出来ました。

いっさ33
2025年9月16日

説明書通り出発前にセッティングしておくと空港に着いたらすぐに、簡単にeSIMに切り替えできました。

kenji
2025年8月31日

オランダのアムステルダム、アイルランドのダブリン、西海岸のゴールウェイなどで問題なく使えました！
特に問題なく、SNSに動画や写真をアップロードできたので、とても助かりました！

kimipooh
2025年10月13日

前回は台湾旅行で使用しましたが今回は欧州で利用しました。
データ通信の無制限プランがあるのも良いです。
アクティベーション用コードの発行手続きがうまく進まなかった時にすぐに対応してもらえて助かりました。

basil
2025年4月19日

eSIMのQRコードを誤操作してしまいましたが、スポンサーの方がご丁寧に解決策を即座に連絡してくださったため、eSIMを利用することが出来ました😭😭😭😭

さっちゃん
2025年3月28日

無制限でかつ、他のSIMより安価だったため、こちらを購入しました。
手順書がしっかりついており、その通りに行い、現地でも全く問題なく使用できました。

たくと
2025年8月23日

FAQ

I want to check the compatible devices.

This service can only be used with SIM-free or SIM-unlocked devices and eSIM-compatible smartphones. It cannot be used with tablets or Wi-Fi routers.

iPhone XR and later models support eSIM (including the iPhone 16 series).

iPhones in mainland China and iPhone devices in Hong Kong and Macau (excluding iPhone 13 mini, iPhone 12 mini, iPhone SE 2020, and iPhone XS) do not have eSIM functionality.

How many times can I use an eSIM?

An eSIM can only be activated on one device and cannot currently be transferred to another device. You cannot scan the same QR code on two devices, but some eSIM plans allow for tethering.

When should I remove my eSIM?

If you want to continue using the eSIM, do not delete it. Once you delete the eSIM, you will no longer be able to read the QR code and it cannot be reissued.

If your eSIM doesn't work for some reason, don't delete it.

If your eSIM isn't working, please contact our customer support and we'll help you identify and resolve the issue.

When should I set up an eSIM?

Setting up an eSIM requires a Wi-Fi connection, so it's best to install and activate your eSIM before you leave on your trip.

You can activate your eSIM once you arrive at your destination, but please note that you will need a Wi-Fi connection to install it.

Can I use a SIM card and an eSIM at the same time?

Yes, you can use two SIMs at the same time: one for calls and SMS and one for data, using a SIM plan and an eSIM plan.

However, please be aware that once you enable the SIM plan settings, you may incur international roaming charges when making calls or sending and receiving SMS.