Home / Firmware / SM-G998U / ATT

Firmware G998USQU4BUK7

Device Galaxy S21 Ultra 5G

Model SM-G998U

Region ATT

Country USA

OS Android 12

Release Date 11/5/2021

Upload Date 4/4/2023

PDA G998USQU4BUK7

CSC G998UOYN4BUK7

Changelist 22916894

Size 7271562654 bytes (approx. 6.8 GB)

ATT 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

NW00167

Network Name

AT&T Mobility

Network Country

United States of America

Network Bands

GSM 1900

Network ID

NW02038

Network Name

AT&T Mobility

Network Country

United States of America

Network Bands

GSM 850 / GSM 1900 / UMTS 850 / UMTS 1900 / LTE 700 / LTE 850 / LTE 1700 / LTE 1900 / LTE 2300 / 5G 850 / 5G 3700 / 5G 39000

Network ID

NW00168

Network Name

AT&T FirstNet

Network Country

United States of America

Network Bands

LTE 700

Network ID

NW02080

Network Name

ATT LLA

Network Country

Puerto Rico

Network Bands

LTE 700 / LTE 850 / LTE 1700 / LTE 1900 / LTE 2300 / 5G 850