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Firmware G991U1UEU3AUDD

Device Galaxy S21 5G

Model SM-G991U1

Region ATT

Country USA

OS Android 11

Release Date 4/30/2021

Upload Date 5/15/2021

PDA G991U1UEU3AUDD

CSC G991U1OYM3AUDD

Changelist 21556280

Size 6404244784 bytes (approx. 6.0 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