SoftBank SIM Card Japan – 5GB/Month × 12 Months｜Annual Prepaid Plan｜No Contract｜High-Speed Data – Fast Shipping
C.T.S Co., Ltd.

SoftBank SIM Card Japan – 5GB/Month × 12 Months｜Annual Prepaid Plan｜No Contract｜High-Speed Data – Fast Shipping

sim

¥9,500 ¥10,500
Pay with VISA Mastercard JCB AMEX Konbini Bank transfer Cash on delivery
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SoftBank SIM Data – 5GB/Month × 12 Months | Annual Prepaid Plan

Total Price: ¥9,500 (one-time payment for 12 months)  
No monthly billing – no extra fees, không cần hợp đồng.  

This SIM card is ideal for international residents, students, and long-term visitors in Japan who need reliable internet for everyday use. Provides 5GB of high-speed data each month, perfect for messaging, maps, browsing, and email. Simple, affordable, and easy to manage with a single upfront payment.  

✔ 5GB/month × 12 months – mạng SoftBank 4G LTE  
✔ Annual prepaid plan – no contract, no renewal required  
✔ One-time payment – affordable and easy to manage  
✔ Tương thích với điện thoại thông minh, bộ phát Wi-Fi và Pocket WiFi  
✔ Wide coverage across Japan  
✔ Quick setup – ready to use upon arrival (simple APN settings)  

Pay today · Default Title ¥9,500

Online in 3 simple steps

No shop visit, no Japanese paperwork stress.

1

Order in 2 minutes

Pick your plan and pay by card, at a konbini, by bank transfer or cash on delivery.

2

Receive it at home

Your SIM arrives by post with a setup guide in English and Japanese.

3

Insert and go

Put the SIM in your phone or router, follow the APN guide, and get online.

What you get

NetworkSoftBank 4G LTE
High-speed data50GB per month
After 50GBSpeed limit may apply
Calls / SMSData only
SIM sizeNano / Micro / Standard
ContractNone
Monthly payment20th–25th of each month

Why choose C.T.S

C.T.S Data SIM
Typical contract plan
Contract
None
Often required
How to start
Delivered to your door
Visit a shop
Support language
English & Japanese
Mostly Japanese
Payment
Card, konbini, bank, cash
Card or bank account
General comparison. [Verify each row before publishing.]

Real people, real SIMs

Every order is packed by our team in Saitama.

Read all reviews
[Photo: team packing orders]
★★★★★

"A simple way to get connected in Japan."

C.T.S customer · Japan

★★★★★

"Clear setup and helpful support when I needed it."

C.T.S customer · Japan

[UGC: customer connected in Japan]

Questions before you buy

Still unsure? Our team answers in English and Japanese.

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You pay ¥5,500 today, which covers activation and your first month. After that the plan is ¥2,850 per month (tax included).
Once you reach 50GB, your connection continues at a throttled speed until the next monthly cycle.
Compatible with SIM-free smartphones, mobile pocket WiFi devices and tablets supporting Japan LTE bands.
Cash payment is supported through the payment methods available at checkout.

50GB every month. No contract.

¥5,500 today (includes your first month), then ¥2,850 per month.

Prefer no shipping? Japan eSIM from ¥460 →