Firmware G991BXXU4CVC4

Device Galaxy S21 5G

Model SM-G991B

Region CWW

Country JAMAICA

OS Android 12

Release Date 3/7/2022

Upload Date 5/10/2022

PDA G991BXXU4CVC4

CSC G991BOWE4CVB8

Changelist 23695702

Size 6840106818 bytes (approx. 6.4 GB)

CWW CSC Breakdown

Network ID

NW00340

Network Name

CWW JM

Network Country

Jamaica

Network Bands

GSM 850 / GSM 1900 / UMTS 850 / UMTS 1900 / LTE 700 / LTE 1700 / LTE 1900

Network ID

NW00339

Network Name

CWW ETC

Network Country

Anguilla (United Kingdom)

Network Bands

GSM 850 / UMTS 850 / UMTS 1900 / LTE 700

Network ID

NW00251

Network Name

BTC BS

Network Country

Bahamas

Network Bands

GSM 850 / GSM 1900 / UMTS 850 / LTE 700 / LTE 1700