Home / Firmware / SM-G991B / CGU

Firmware G991BXXU1ATLD

Device Galaxy S21 5G

Model SM-G991B

Region CGU

Country Guatemala

OS Android 11

Release Date 12/8/2020

Upload Date 1/15/2021

PDA G991BXXU1ATLD

CSC G991BOWO1ATLF

Changelist 20456419

Size 6996174608 bytes (approx. 6.5 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