Samsung SM-F721U Galaxy Z Flip 4 5G UW TD-LTE US 256GB / SM-F721V (Samsung B4) is compatible with 7 out of 12 bands on NTT Docomo (Japan). See the tables below for details.


Frequency Bands Used by NTT Docomo (Japan)

Select a band or interface for more details

UMTS

Compatibility - 1 out of 3 bands supported
34%
Interface Name Supported by device?
UMTS B1 (2100 MHz) Yes
UMTS B9 (1800 MHz Japan) No
UMTS B19 (800 MHz Japan) No

Supported UMTS Protocols

Name Generation Supported by device?
UMTS 3G No
HSPA+ 3.5G (4G speed) No

LTE

Compatibility - 4 out of 6 bands supported
67%
Interface Name Supported by device?
LTE B1 (2100 MHz) Yes
LTE B3 (1800 MHz +) Yes
LTE B19 (800 MHz Upper) Yes
LTE B21 (1500 MHz Upper) No
LTE B28 (700 MHz APT) Yes
LTE B42 (TD 3500 MHz) No

Supported LTE Protocols

Name Generation Supported by device?
LTE 4G No
LTE-A 4G No

5G NR

Compatibility - 2 out of 3 bands supported
67%
Interface Name Supported by device?
5G NR N78 (3500 MHz) Yes
5G NR N79 (4700 MHz) No
5G NR N257 (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.

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