Samsung SM-F721U Galaxy Z Flip 4 5G UW TD-LTE US 128GB / SM-F721R4 (Samsung B4) - Frequency Bands and Network Compatibility
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The Samsung SM-F721U Galaxy Z Flip 4 5G UW TD-LTE US 128GB / SM-F721R4 (Samsung B4) supports 4 GSM bands, 5 UMTS bands, 17 LTE bands, and 8 5G NR bands. See the tables below for details.
Run a cross-reference compatibility check of this device on a specific network and country using the following links:
Supported Frequency Bands (34)
GSM
| Name | Interface |
|---|---|
| 850 | GSM |
| 900 (E-GSM) | GSM |
| 1800 (DCS) | GSM |
| 1900 (PCS) | GSM |
UMTS
| Name | Interface |
|---|---|
| B1 (2100) | UMTS |
| B2 (1900 PCS) | UMTS |
| B4 (1700/2100 AWS 1) | UMTS |
| B5 (850) | UMTS |
| B8 (900 GSM) | UMTS |
LTE
5G NR
| Name | Interface |
|---|---|
| N2 (1900) | 5G NR |
| N5 (850) | 5G NR |
| N25 (1900) | 5G NR |
| N41 (2500) | 5G NR |
| N66 (1700/2100) | 5G NR |
| N71 (600) | 5G NR |
| N260 (39G) | 5G NR |
| N261 (28G) | 5G NR |
