Galaxy S21 5G

SM-G991B

Firmware G991BXXSJHZC2

Latest

Guatemala · PGUAndroid 15Built Mar 9, 2026

Release information

Firmware identifiers

The software versions and region covered by this firmware update.

Guatemala · CSC PGU · 4 carriers in 4 countries

What is CSC?

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

Claro

MCCMNC70401NWIDNW00310

Telecomunicaciones de Guatemala, S.A.

5G 3500LTE 1900UMTS 1900GSM 900CDMA 1900

Claro

MCCMNC70601NWIDNW00315

CTE Telecom Personal, S.A. de C.V.

UMTS 1900GSM 1900

Claro

MCCMNC708001NWIDNW00311

Servicios de Comunicaciones de Honduras S.A. de C.V.

LTE 1700UMTS 1900GSM 1900

Claro

MCCMNC71021NWIDNW00269

Empresa Nicaragüense de Telecomunicaciones, S.A. (ENITEL) (América Móvil)

LTE 1700UMTS 850GSM 1900