Billion Connect 20 GB for 30 days
Speed and data rules
Full speed
20 GB
After that
384 kbps
Billion Connect: “your connection speed will be reduced for the remainder of the day.” Source
Billion Connect coverage
Runs on
NTT Docomo and SoftBankThe map shows the best of them at each spot.
Search by Photon, © OpenStreetMap contributors, and GSI Japan
Billion Connect 4G coverage
Docomo and SoftBank combined, from their own maps. Blank: not covered.
| Area | Places covered, best network |
|---|---|
| All over Japan | 129 of 129 places |
| Tokyo | 14 of 14 places |
| Osaka and Kyoto | 12 of 12 places |
| Mt Fuji and Hakone | 10 of 10 places |
| Japanese AlpsHakuba, Kamikochi, Takayama | 11 of 11 places |
| HokkaidoSapporo, Niseko | 12 of 12 places |
| Okinawa | 10 of 10 places |
| Hiroshima and Miyajima | 9 of 9 places |
| Kyushu | 15 of 15 places |
| Shikoku | 14 of 14 placesvia SoftBank |
| Rural and mountain areasOnsen towns, trails, national parks | 28 of 28 placesvia Docomo |
Coverage areas from the service area maps published by NTT docomo, KDDI au, SoftBank and Rakuten Mobile. Changes: maps and cell positions converted to hexagons by network.
Source: NTT docomo service area map; KDDI au service area map; Rakuten Mobile service area map; SoftBank service area map; nPerf coverage map; OpenCelliD via Source Cooperative, CC BY-SA 4.0.
What you get
- Data
- 20 GB
- Valid for
- 30 days
- Network
- Docomo and SoftBank
- Japanese number
- No, data only
- Texts (SMS)
- No
- Top-up
- Yes
How it works
- Starts
- Starts when the eSIM first connects at your destination and runs without pause. Days count by calendar day or 24-hour period, depending on the plan.
- Install
- QR code, App
- App
- Yes
- Support
- AI chat, Live chat (24/7, in the app)
Other Billion Connect plans for 30 days
- 15 GB for 30 daysSoftBank$10.60
- 20 GB for 30 daysDocomo$12.50
- 1 GB a day for 30 daysSoftBank$16.33
- 30 GB for 30 daysDocomo$17.00
Price checked on esimdb.com.
$17.50
30-day trip, $0.58 a day, $0.88/GB