Japan 4G/5G eSIM 1-30 days High-speed data Daily package/Data package Optional days (calendar day) QR code
from $0.40
Book your experience
About this experience
[Install eSIM]
1. Open the QR code attached to your reservation in the Trip.com app and print or save it to another device in advance. (iOS 17 and above can save it directly to your phone.)
2. In Settings, open "Mobile Data" (iOS) or "SIM Management" (Android).
3. When your phone is connected to the internet, tap "Add Mobile Plan" (iOS) or "Add New SIM Card Management" (Android) and scan the QR code to install it.
4. If you can't scan the code, enter the "SM-DP+ Address and Activation Code" from your reservation receipt to install it.
5. If steps 3/4 fail, your phone may be locked by your local carrier (unable to use other carriers' networks). Please contact your carrier to unlock it before using the eSIM.
[Using eSIM]
1. Turn off your primary SIM card and turn on the eSIM network switch.
2. Enable "Mobile Data" (iOS) or "SIM Card" (Android).
3. Turn on "Data Roaming."
4. If you still can't connect to the internet after setting the above settings, please set the APN and restart your phone. For more information, please refer to the information below.
[About APN]
1. If you purchased an eSIM that covers multiple countries/regions and cannot connect to the internet after arriving in a new area, please manually switch the APN (it should switch automatically under normal circumstances).
2. Setup steps:
iOS: Settings - Mobile Services - Mobile Data Network
Android: Settings--Network & Internet--Mobile Network--Access Point Name (APN)--New APN or Edit APN
3. Enter the APN: mobile.three.com.hk
4. Restart your phone.
1. Open the QR code attached to your reservation in the Trip.com app and print or save it to another device in advance. (iOS 17 and above can save it directly to your phone.)
2. In Settings, open "Mobile Data" (iOS) or "SIM Management" (Android).
3. When your phone is connected to the internet, tap "Add Mobile Plan" (iOS) or "Add New SIM Card Management" (Android) and scan the QR code to install it.
4. If you can't scan the code, enter the "SM-DP+ Address and Activation Code" from your reservation receipt to install it.
5. If steps 3/4 fail, your phone may be locked by your local carrier (unable to use other carriers' networks). Please contact your carrier to unlock it before using the eSIM.
[Using eSIM]
1. Turn off your primary SIM card and turn on the eSIM network switch.
2. Enable "Mobile Data" (iOS) or "SIM Card" (Android).
3. Turn on "Data Roaming."
4. If you still can't connect to the internet after setting the above settings, please set the APN and restart your phone. For more information, please refer to the information below.
[About APN]
1. If you purchased an eSIM that covers multiple countries/regions and cannot connect to the internet after arriving in a new area, please manually switch the APN (it should switch automatically under normal circumstances).
2. Setup steps:
iOS: Settings - Mobile Services - Mobile Data Network
Android: Settings--Network & Internet--Mobile Network--Access Point Name (APN)--New APN or Edit APN
3. Enter the APN: mobile.three.com.hk
4. Restart your phone.
What's included
- Data trafficSupport hotspot sharing
Not included
- Calls and text messages
Things to note
- Can an eSIM be installed multiple times? Can I change phones?A: A QR code can only be scanned once with one mobile phone
- How long do I need to use the eSIM after receiving it?A: It must be activated within 30 days
- If there is no EID, eSIM cannot be used.***Not compatible with watches and tablets***
- Once scanned, it is bound to that mobile phone and cannot be transferred to other phones
- Can a new eSIM be reissued after it is deleted?A: If the eSIM plan is not fully used or is deleted without the approval of customer service, no reissue or refund will be made.
- Why can't I add an eSIM?If the phone is card-locked, it cannot be used.How to check: Check with your carrier to see if your device is SIM-locked.Please check if there is a description file for iPhoneIf there is a description file, please delete it (check
- If there is an EID, it means eSIM is supported
- We cannot provide after-sales service after you return to China.
- If it is not activated within 30 days, the eSIM will expire and cannot be reissued.
- What should I do if I still don’t have network connection after arriving at my destination and turning on my eSIM?A: Please make sure that data roaming of the eSIM is turned on and check if the APN of the eSIM is correct.
- Is it possible to share the hotspot?A: Hotspot sharing is supported, but due to differences in device models, it cannot be guaranteed that all devices can share normally.
- After the product is bound, it cannot be reissued or refunded
- How is the eSIM option timed?A: After arriving at the destination, the eSIM option will generate traffic, which means the eSIM is activated and the time starts to be calculated based on the natural day of the UTC+8 zone.Please install and activate the eSI
- FAQ:1. Why isn't there a path to "Add a Cellular Number," "Join a Mobile Plan," or "Join a Mobile Service Plan"?A: Please confirm whether your phone/device supports the eSIM function.How to check: Dial *#06# on the phone interface
- If there is a prompt to contact the telecom operator or other prompts, please turn off and restart the phone or contact customer service for assistance.
- Installing the app in a country other than your destination will cause the eSIM to become inactive or pre-calculate usage time.
- How can I contact you if I encounter any problems?A: LINE customer service: @281nacaf (Our customer service hours are:10:00-22:30)If you cannot use it at your destination, please contact LINE customer service
Frequently asked questions
Can I cancel this booking?
Every option shows its own cancellation terms before you pay — where free cancellation applies, the window closes at 00:00 (midnight), local time at the destination, on the cut-off day. Cancel from My bookings within the window for a full refund (once your ticket has been issued, message support inside the window and we cancel it for you); after it, the option's terms apply. Full details in our cancellation & refund policy.
Can I change the date of my booking?
Date changes aren't automatic — they depend on the operator. Email support@readytrip.com from the address you booked with, quoting your booking reference and the new date you'd like, and we'll ask the operator for you. Changes are subject to their approval and availability; if the date can't be moved, your booking's cancellation terms apply.
More things to do in Japan
Book in 3 easy steps
How ReadyTrip works
1Choose & pay
Pick your activity, select a date and time, then check out securely.
2Get your QR ticket
Most tickets land in your inbox within minutes — QR code included.
3Show & enjoy
Show the QR code at the venue and you’re in. No printing needed.
