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Firmware A266U1UES4AYH1

Device Galaxy

Model SM-A266U1

Region LLA

Country PUERTO RICO

OS Android 15

Release Date 8/6/2025

Upload Date 10/7/2025

PDA A266U1UES4AYH1

CSC A266U1OWA4AYH1

Changelist 30526524

Size 7693017856 bytes (approx. 7.2 GB)

LLA CSC Breakdown

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

NW02036

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

NW02204

Network Name

LLA PR

Network Country

Puerto Rico

Network Bands

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