Home / Firmware / SM-G988U / ATT

Firmware G988USQS2DUK1

Device Galaxy S20 Ultra 5G

Model SM-G988U

Region ATT

Country USA

OS Android 11

Release Date 11/9/2021

Upload Date 3/9/2023

PDA G988USQS2DUK1

CSC G988UOYN2DUK1

Changelist 22727215

Size 6830913086 bytes (approx. 6.4 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

NW01900

Network Name

AT&T Mobility

Network Country

United States of America

Network Bands

GSM 1900

Network ID

NW00168

Network Name

AT&T FirstNet

Network Country

United States of America

Network Bands

LTE 700

Network ID

NW01966

Network Name

AT&T Mobility

Network Country

United States of America

Network Bands

GSM 850 / UMTS 850 / UMTS 1900

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