Firmware G991BXXS4CVCG

Device Galaxy S21 5G

Model SM-G991B

Region IUS

Country Mexico

OS Android 12

Release Date 3/29/2022

Upload Date 5/1/2022

PDA G991BXXS4CVCG

CSC G991BOWO4CVB9

Changelist 23695702

Size 7094027539 bytes (approx. 6.6 GB)

IUS CSC Breakdown

Network ID

NW00614

Network Name

Iusacell

Network Country

Mexico

Network Bands

UMTS 850 / UMTS 1900 / UMTS 1700 / LTE 850 / LTE 1700 / LTE 2600 / TD-LTE 2600 / 5G 2600 / 5G 3500

Network ID

NW00855

Network Name

Nextel

Network Country

Mexico

Network Bands

UMTS 1700 / LTE 850 / LTE 1700

Network ID

NW02039

Network Name

ATT IOT

Network Country

Mexico

Network Bands

Unknown