For travelers who need products without daily limits or a Fair Usage Policy (FUP), we offer four options:
・5G Unlimited Data Travel SIM card or eSIM
・Fixed eSIM Plans (Docomo network)
・200GB/month Business SIM Card (Softbank network)
・200GB/month Business Pocket WiFi (Softbank network)
1. 5G Unlimited Travel SIM card or eSIM Plans (au)
Fully unlimited data with no restrictions for a set number of days.
- No speed throttling—full-speed data and truly unlimited.
- Choose a plan based on your trip duration.
- Requires a SIM card or eSIM-compatible, SIM-free (carrier-unlocked) device that supports au 5G n77 (4.0GHz) / n78 (3.7GHz) (Travel SIM/eSIM compatibility page)
Data Usage
- Fully unlimited
- *However, data usage for hotspot function has a limited data usage (FUP).
LINK:
For more information, please contact us at contact@sakuramobile.jp
2. Fixed Data eSIM Plans (Docomo)
Prepaid eSIM with a specific data allowance for a set number of days.
- No speed throttling—full-speed data until the allocated amount is used.
- Choose a plan based on your data needs and trip duration.
- Requires an eSIM-compatible, SIM-free (carrier-unlocked) device that supports Docomo Bands 1 & 19 (Travel eSIM compatibility page)
Data Usage
- Full-speed data until exhausted, then reduced to 200 kbps.
- Top-ups available for additional high-speed data.
LINK: Fixed Data Purchase Page
3. 200GB/month Business SIM Card
A monthly Softbank SIM with 200GB of data, suitable for users with high data needs.
- 15,400 JPY/month (tax included)
- Data-only plan—no voice calls or SMS. However, internet-based calling apps (WhatsApp, WeChat, LINE, etc.) are supported.
- Requires a SIM-free (carrier-unlocked) device that supports Softbank Bands 1 & 8.
- Self-setup required (SIM insertion & APN configuration).
Data Usage & Billing
- No daily limits, 200GB monthly allowance.
- If the 200GB limit is reached, data access stops until the next month.
- Billed on a calendar-month basis—charged for the full month regardless of start date.
- Upfront payment is required for multi-month usage.
For rental and extensions, please contact us or email contact@sakuramobile.jp.
4. 200GB/month Business Pocket WiFi
A portable Softbank Pocket WiFi device with a pre-inserted SIM, supporting 200GB/month.
- 17,600 JPY/month (tax included)
- Data-only plan—no voice calls or SMS.
- Compatible with all WiFi-enabled devices, including smartphones, tablets, laptops, and gaming consoles.
- Ready to use—just turn it on and connect.
Data Usage & Billing
- No daily limits, 200GB monthly allowance.
- If the 200GB limit is reached, data access stops until the next month.
- Billed on a calendar-month basis—charged for the full month regardless of start date.
- Upfront payment is required for multi-month usage.
For rental and extensions, please contact us or email contact@sakuramobile.jp.
