Japan Unlimited Data

Is your phone eSIM compatible?

PrefersIm knowledge

Check for an EID Number

Dial *#06# on your phone and press the Call/Dial button. If a 32-digit EID number appears on the screen, your device is eSIM compatible.

More about eSIM on iPhone

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Why Choose Prefer SIM?

See how Prefer SIM compares to other options in the market

	Prefer SIM	Others
Truly Unlimited Data
No data gap like 1GB/day or 2GB/day
Lowest price on the market
24/7 Online Support
100% Money Back Guarantee
Easy QR Activation

Enjoy Unlimited Data in 3 steps

1. Select your destination

Select a package with assurance - 100% money-back guarantee and free cancellation for trip changes.

2. Receive eSIM QR code by email

Purchase, get QR code in email. Activate plan within 30 days of connection.

3. Scan, Connect and Go!

Scan the QR code and enjoy UNLIMITED data!

Frequently asked questions

Prefer SIM provides digital eSIMs that allow you to access unlimited global data without needing a physical SIM card. After purchase, you’ll receive an email with your eSIM QR code and installation instructions.

Your eSIM QR code is delivered instantly to your email after completing the purchase. If you don’t see it, please check your spam or promotions folder.

Our support team is available 24/7 via email at info@prefersim.com. You can also reach us through the website chat, and we’ll respond as soon as possible.

If you change or reset your device, the eSIM may be removed. You can contact us at info@prefersim.com to request a new QR code for reinstallation.

Please refer our Refund Policy here

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