Home / Firmware / SM-G991U / TMB

Firmware G991USQS9EWI2

Device Galaxy S21 5G

Model SM-G991U

Region TMB

Country USA

OS Android 13

Release Date 9/22/2023

Upload Date 10/7/2023

PDA G991USQS9EWI2

CSC G991UOYN9EWI2

Changelist 27100863

Size 7621601545 bytes (approx. 7.1 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