Home / Firmware / SM-G991U1 / AIO

Firmware G991U1UEU4AUI7

Device Galaxy S21 5G

Model SM-G991U1

Region AIO

Country USA

OS Android 11

Release Date 9/6/2021

Upload Date 9/29/2021

PDA G991U1UEU4AUI7

CSC G991U1OYM4AUI7

Changelist 22265714

Size 6414041072 bytes (approx. 6.0 GB)

AIO CSC Breakdown

Network ID

NW00156

Network Name

Anritsu

Network Country

Network Bands

any

Network ID

NW00057

Network Name

AT&T Mobility

Network Country

United States of America

Network Bands

GSM 850 / UMTS 850 / UMTS 1900

Network ID

NW02037

Network Name

AT&T Mobility

Network Country

United States of America

Network Bands

GSM 850 / UMTS 850 / UMTS 1900