Home / Firmware / SM-G991B / CGU

Firmware G991BXXU4CVC4

Device Galaxy S21 5G

Model SM-G991B

Region CGU

Country Guatemala

OS Android 12

Release Date 3/7/2022

Upload Date 5/1/2022

PDA G991BXXU4CVC4

CSC G991BOWO4CVB9

Changelist 23695702

Size 7093654240 bytes (approx. 6.6 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