Firmware G991USQSEGXLB

Device Galaxy S21 5G

Model SM-G991U

Region DSA

Country USA

OS Android 14

Release Date 12/20/2024

Upload Date 1/13/2025

PDA G991USQSEGXLB

CSC G991UOYNEGXLB

Changelist 28579955

Size 8277884448 bytes (approx. 7.7 GB)

DSA CSC Breakdown

Network ID

NW02088

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

NW00156

Network Name

Anritsu

Network Country

Network Bands

any

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