When using an eSIM, the QR code is important information needed during setup. By saving it in a safe place before your trip, you can reduce the worry of scrambling before departure or at your destination.
Many people may wonder, "Where should I save the QR code?" or "Is a screenshot okay?"
In this article, we will introduce how to save the QR code before your trip and points to keep in mind when managing it.

Benefits of Saving the QR Code
- Can be displayed immediately during setup
- Reduces the hassle of searching for emails
- Easy to check even without an internet connection
- Allows for smooth preparation before the trip
- Easy to manage just in case
It is recommended to keep the QR code until the end of your trip. However, whether it can be reused depends on the eSIM service.

How to Save the QR Code
Save with a Screenshot
This method involves displaying the QR code on your smartphone and saving it as a screenshot. It is convenient as you can check it immediately, but be sure to manage it so that others cannot see it.
Save as a PDF
If you receive instructions from the eSIM provider in PDF format, it is safe to save it to your device or cloud storage.
Save the Email Offline
It is recommended to keep the email containing the QR code until the end of your trip instead of deleting it.
Points to Note When Saving the QR Code
- Do not share with others
- Do not post on social media
- Manage screenshots on a locked device
- Do not delete until the trip is over
- Create backups as needed
The QR code contains important information related to the eSIM setup. Manage it safely and be careful not to disclose it to others.

Things to Check Before Your Trip
- Check if your device is eSIM compatible
- Check if the SIM lock is removed
- Prepare a stable Wi-Fi environment
- Review the eSIM setup guide
- Confirm the usage procedure after arriving in Japan
In addition to the QR code, checking the eSIM setup method and usage procedures before your trip will allow you to start communication smoothly upon arrival in Japan.
Frequently Asked Questions
Can I save the eSIM QR code as a screenshot?
Yes. Saving it as a screenshot is convenient as you can display it immediately during setup. However, since the QR code contains important information, be sure to manage your smartphone properly so that others cannot view it.
Can I delete the QR code after my trip is over?
It is recommended to keep it until the trip is over. Whether a QR code can be reused after being used once depends on the eSIM service. Please check the provider's instructions before deleting it.
What should I do if I lose the QR code?
First, check the email you received at the time of purchase or your account page. The possibility of reissuing it varies by eSIM service, so if you cannot find it, please contact the provider's support.
Should I print the QR code?
Saving it on your smartphone is often sufficient, but it is reassuring to print it on paper as a backup. This is especially useful for long trips or if you are using multiple devices.
Is it okay to send the QR code to family or friends?
The QR code contains information necessary for eSIM setup. Unless necessary, avoid sharing it with third parties or posting it on social media.
Can I set up the eSIM with just the QR code?
For many eSIMs, you can start the setup by scanning the QR code. However, some products may require an activation code or setup information, so please check the instructions provided at the time of purchase.
Is there anything else I should prepare besides the QR code before my trip?
It is also reassuring to confirm that your device is eSIM compatible, that the SIM lock is removed, and that you can set it up in a Wi-Fi environment.
Conclusion
By safely saving the eSIM QR code in a secure place before your trip, you can respond calmly during setup or in case of any trouble. Managing it through multiple methods such as screenshots, PDFs, and emails will provide even more peace of mind.
- Save the QR code before your trip
- Back it up with screenshots or PDFs
- Do not share with others
- Do not delete until the trip is over
- Also check the eSIM setup guide
If you prepare thoroughly before your trip, you can use the eSIM smoothly upon arrival in Japan. Enjoy your trip to Japan with peace of mind.