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Firmware G991BXXU1AUB8

Device Galaxy S21 5G

Model SM-G991B

Region CGU

Country  Guatemala

OS Android 11

Release Date 2/11/2021

Upload Date 3/2/2021

PDA G991BXXU1AUB8

CSC G991BOWO1AUB8

Changelist 20701476

Size 6851982720 bytes (approx. 6.4 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