encryptSIM network operator guide
SoftBank Corp. eSIM destinations
SoftBank Corp. can be available through encryptSIM in 1 supported destinations, with listed service types 5G.
5G
Using encryptSIM with SoftBank Corp.
Use this page to see where encryptSIM can use SoftBank Corp., then open each destination guide to compare the other supported networks available there.
SoftBank Corp. supported destinations
These are the destinations where SoftBank Corp. can be one of the available mobile networks for encryptSIM data.
SoftBank Corp. mobile coverage map
Explore operator coverage layers for the supported destinations where map data is available. The map is practical coverage context only; it does not guarantee indoor signal, speed, roaming availability, or service at every point.
SoftBank Corp. network identifiers
These public MCC/MNC identifiers can help recognize local network names a device may show during manual network selection. They are technical network identifiers, not a speed or availability guarantee.
| Destination | Local network | PLMN | Listed bands |
|---|---|---|---|
| Japan | SoftBank Corp. Brand: Y!Mobile | 440-00 MCC 440 · MNC 00 |
UMTS 1800 |
| Japan | SoftBank Corp. | 440-20 MCC 440 · MNC 20 |
UMTS 900 / UMTS 2100 / LTE 700 / LTE 900 / LTE 1500 / LTE 1800 / LTE 2100 / TD-LTE 3500 |
| Japan | SoftBank Corp. | 440-21 MCC 440 · MNC 21 |
UMTS 900 / UMTS 2100 / LTE 700 / LTE 900 / LTE 1500 / LTE 1800 / LTE 2100 / TD-LTE 3500 |
| Japan | SoftBank Corp. | 441-01 MCC 441 · MNC 01 |
UMTS 900 / UMTS 2100 / LTE 700 / LTE 900 / LTE 1500 / LTE 1800 / LTE 2100 / TD-LTE 3500 |
Related operators in the same destinations
Practical checks before using SoftBank Corp.
- Use the destination cards to see where SoftBank Corp. can be available through encryptSIM.
- Use each destination page to see which other supported operators are available there.
- Keep data roaming enabled for the encryptSIM line.
- Actual service depends on device support, roaming availability, signal, local coverage, and congestion.
Check your eSIM device
Before using encryptSIM on SoftBank Corp. or any listed destination, make sure your phone or tablet supports eSIM.
Network names you may see
SoftBank; SoftBank Corp.; Softbank
SoftBank Corp. eSIM FAQ
Does encryptSIM work with SoftBank Corp.?
Yes, where SoftBank Corp. is available in the supported destinations listed on this page: Japan.
Do I need a local SoftBank Corp. account?
No. encryptSIM is a separate eSIM data product. You do not need to open a direct local SoftBank Corp. account for the data coverage listed here.
Can I force my phone to stay on SoftBank Corp.?
Network selection depends on device settings, roaming availability, signal, local coverage, congestion, and local radio conditions.
Does 5G or 4G guarantee performance?
No. 5G, 4G, LTE, and 3G describe listed radio access. Actual performance depends on device support, signal, congestion, and plan conditions.