Galaxy S20 Ultra 5G

SM-G988B

Release G988BXXU7DUE3

Mexico · IUSAndroid 11Built 5/10/2021

Release information

Firmware identifiers

The software versions and region covered by this firmware update.

Mexico · CSC IUS · 4 carriers in 1 country

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

Unefon

MCCMNC334070NWIDNW02039

AT&T Mexico