Galaxy J4

SM-J400M

Firmware J400MUBS4BSI3

Mexico · IUSAndroid 9Built Sep 25, 2019

Release information

Firmware identifiers

The software versions and region covered by this firmware update.

Inside the firmware

Read from the build properties and kernel of this firmware.

Mexico · CSC IUS · 5 carriers in 3 countries

What is CSC?

CSC is Samsung's region and carrier customization. The networks below are included in this release.

AT&T

MCCMNC334090NWIDNW00855

AT&T Mexico

LTE 850LTE 1700UMTS 1700

AT&T / Unefon

MCCMNC334050NWIDNW00614

AT&T Mexico

5G 2600LTE 850LTE 1700LTE 2600TD-LTE 2600UMTS 850UMTS 1900UMTS 1700

Iusacell

MCCMNC33405NWIDNW00614

Proximus

MCCMNC20601NWIDNW00614

Proximus SA

5G 21005G 3500LTE 800LTE 1800LTE 2600GSM 900GSM 1800

TIM

MCCMNC22201NWIDNW00614

Telecom Italia S.p.A.

LTE 800LTE 1500LTE 1800LTE 2600GSM 900