Home / Firmware / SM-G990U2 / ATT

Firmware G990U2SQSJIZA1

Device Galaxy S21 FE 5G

Model SM-G990U2

Region ATT

Country USA

OS Android 16

Release Date 1/8/2026

Upload Date 1/30/2026

PDA G990U2SQSJIZA1

CSC G990U2OYNJIZA1

Changelist 32144845

Size 8794335088 bytes (approx. 8.2 GB)

ATT CSC Breakdown

Network ID

NW00156

Network Name

Anritsu

Network Country

Network Bands

any

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

NW00057

Network Name

AT&T Mobility

Network Country

United States of America

Network Bands

GSM 850 / UMTS 850 / UMTS 1900

Network ID

NW02171

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

NW02172

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