24/7 Vietnamese support · Delivery across Japan
SKY MOBILESKY MOBILE
SIM DATA 5G SOFTBANK 100GBSALE
100GB
Data
SOFTBANK
Carrier
30d
Billing cycle

SIM DATA 5G SOFTBANK 100GB

Best Seller

4.8Sold: 2,705
Monthly fee
¥3,278¥3,750
Enjoy a lifetime discounted rate, valid until 08/31/2026
-13%
First month fee
¥4,500¥6,000
Promo until 08/31/2026
-25%
Next billing date09/25/2026
Billing for month 10 usage
Buyback support: Get up to ¥1,000/product refunded when you stop using and return the product
Choose plan
Free shipping and activation fee when you sign up for a 6-month or 1-year plan

Carrier

SoftBank (Japan)

SIM Type

Data-only (no voice calls)

Data

100GB high-speed per month

Cycle

30 days or monthly billing

Technology

5G

Voice Calls

Not supported

After Data

Speed reduced (~128 Kbps)

Compatibility

International devices (SIM-free)

Coverage

Nationwide Japan

Specifications

CarrierSOFTBANK
SIM typeData Only
Data100GB
Billing cycle30 days
CallsNot supported
After data capReduced speed
CompatibilityInternational devices (SIM-free)
CoverageAll of Japan

How to activate

1Order the plan and receive your SIM or eSIM code
2Insert the SIM or scan the QR code
3Set up the APN and start using it
High-speed data — stream video & join calls freely
Hotspot support for multiple devices
No long-term contract, works with international devices

Additional Information

SOFTBANK 100GB 5G DATA SIM: WHEN INTERNET IS NO LONGER A LIMIT

You don’t need a SIM with many features. You need a connection large enough to use continuously without worrying about running out of data.

The SoftBank 100GB Data SIM is designed for users who want a stable internet experience, high capacity, and uninterrupted connectivity.

100GB High-Speed – Use Comfortably Throughout the Month

  • 100GB high-speed data within 30 days

  • Fully meets needs for video streaming, online meetings, and data downloads

  • Suitable for users with heavy daily internet usage

Stable 4G/5G Connection – Maintain a Seamless Experience

  • Supports 4G LTE and 5G (depending on device and area)

  • Low latency, minimizes lag

  • Performs well while on the move

Cost Optimization – Focus Only on Data

  • No voice calls and SMS support

  • All value is dedicated to internet usage

  • Suitable for secondary devices, routers, and data-heavy users

Flexible Usage – One SIM for Multiple Devices

  • Supports WiFi hotspot sharing

  • Usable on smartphones, tablets, laptops, routers

  • Can replace portable WiFi in many situations

Easy to Use – No Commitment

  • Insert SIM and use immediately or quick APN setup

  • No long-term contract

  • Compatible with international unlocked devices

✔️ The SoftBank 100GB 5G Data SIM is the ideal choice for users who need large capacity, stable connectivity, and continuous internet experience.
If you want to use the internet without calculating every GB, this is the right solution.