Samsung SM-G991U Galaxy S21 5G UW Dual SIM TD-LTE US 256GB / SM-G991V (Samsung Unbound M1) Compatibility on KDDI au (Japan) Mobile Network
Search Criteria
Samsung SM-G991U Galaxy S21 5G UW Dual SIM TD-LTE US 256GB / SM-G991V (Samsung Unbound M1) is compatible with 5 out of 13 bands on KDDI au (Japan). See the tables below for details.
Frequency Bands Used by KDDI au (Japan)
Select a band or interface for more details
LTE
Compatibility - 5 out of 8 bands supported
| Interface | Name | Supported by device? |
|---|---|---|
| LTE | B1 (2100 MHz) | No |
| LTE | B3 (1800 MHz +) | Yes |
| LTE | B11 1500 MHz Lower | No |
| LTE | B18 (800 MHz Lower) | Yes |
| LTE | B26 (850 MHz +) | Yes |
| LTE | B28 (700 MHz APT) | Yes |
| LTE | B41 (TD 2500 MHz) | Yes |
| LTE | B42 (TD 3500 MHz) | No |
Supported LTE Protocols
| Name | Generation | Supported by device? |
|---|---|---|
| LTE | 4G | No |
5G NR
Compatibility - 0 out of 5 bands supported
| Interface | Name | Supported by device? |
|---|---|---|
| 5G NR | N18 (800 MHz) | No |
| 5G NR | N28 (700 MHz) | No |
| 5G NR | N77 (3700 MHz) | No |
| 5G NR | N78 (3500 MHz) | No |
| 5G NR | N257 (mmWave 28 GHz) | No |
* A matching frequency band does not guarantee coverage. There may be additional network or device software restrictions that prevent a device from connecting on a certain frequency. Additionally, certain bands may only be available regionally within a country.
