Samsung SM-F721U Galaxy Z Flip 4 5G UW TD-LTE US 128GB / SM-F721T (Samsung B4) Compatibility on AT&T (United States) Mobile Network
Search Criteria
Samsung SM-F721U Galaxy Z Flip 4 5G UW TD-LTE US 128GB / SM-F721T (Samsung B4) is compatible with 11 out of 17 bands on AT&T (United States). See the tables below for details.
Frequency Bands Used by AT&T (United States)
Select a band or interface for more details
LTE
Compatibility - 8 out of 11 bands supported
| Interface | Name | Supported by device? |
|---|---|---|
| LTE | B2 (1900 MHz PCS) | Yes |
| LTE | B4 (1700/2100 MHz AWS 1) | Yes |
| LTE | B5 (850 MHz) | Yes |
| LTE | B12 (700 MHz ac) | Yes |
| LTE | B14 (700 MHz PS) | Yes |
| LTE | B17 (700 MHz bc) | No |
| LTE | B29 (700 MHz de) | No |
| LTE | B30 (2300 MHz WCS) | No |
| LTE | B46 (TD 5900 MHz) | Yes |
| LTE | B48 (TD 3600 MHz) | Yes |
| LTE | B66 (1700/2100 MHz) | Yes |
Supported LTE Protocols
| Name | Generation | Supported by device? |
|---|---|---|
| LTE | 4G | No |
5G NR
Compatibility - 3 out of 6 bands supported
| Interface | Name | Supported by device? |
|---|---|---|
| 5G NR | N2 (1900 MHz) | No |
| 5G NR | N5 (850 MHz) | No |
| 5G NR | N66 (1700/2100 MHz) | Yes |
| 5G NR | N77 (3700 MHz) | No |
| 5G NR | N260 (mmWave 39 GHz) | Yes |
| 5G NR | N261 (mmWave 28 GHz) | Yes |
* 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.
