Home / Firmware / SM-G991B / CGU

Firmware G991BXXU7EWCH

Device Galaxy S21 5G

Model SM-G991B

Region CGU

Country Guatemala

OS Android 13

Release Date 3/28/2023

Upload Date 5/10/2023

PDA G991BXXU7EWCH

CSC G991BOWO7EWCK

Changelist 26203421

Size 7510934936 bytes (approx. 7.0 GB)

CGU CSC Breakdown

Network ID

NW01307

Network Name

TIGO CGU

Network Country

Guatemala

Network Bands

TDMA 800 / GSM 850 / UMTS 850 / LTE 850 / 5G 3500

Network ID

NW01309

Network Name

TIGO ETE

Network Country

El Salvador

Network Bands

GSM 850 / UMTS 850 / LTE 850 / LTE 1700

Network ID

NW01308

Network Name

TIGO CTE