Home / Firmware / SM-G991U / TMB

Firmware G991USQS4BUKK

Device Galaxy S21 5G

Model SM-G991U

Region TMB

Country USA

OS Android 12

Release Date 12/21/2021

Upload Date 1/7/2022

PDA G991USQS4BUKK

CSC G991UOYN4BUKK

Changelist 22916894

Size 7092509088 bytes (approx. 6.6 GB)

TMB CSC Breakdown

Network ID

NW00156

Network Name

Anritsu

Network Country

Network Bands

any

Network ID

NW01305

Network Name

T-Mobile US

Network Country

United States of America

Network Bands

GSM 1900

Network ID

NW01986

Network Name

T-Mobile US

Network Country

United States of America

Network Bands

GSM 1900