Home / Firmware / SM-S921U1 / XAA

Firmware S921U1UEU4CYI9

Device Galaxy S24

Model SM-S921U1

Region XAA

Country USA

OS Android 16

Release Date 9/12/2025

Upload Date 9/25/2025

PDA S921U1UEU4CYI9

CSC S921U1OYM4CYI9

Changelist 31998945

Size 13117624272 bytes (approx. 12.2 GB)

XAA CSC Breakdown

Network ID

NW00156

Network Name

Anritsu

Network Country

Network Bands

any

Network ID

NW01539

Network Name

West Central Wireless

Network Country

United States of America

Network Bands

GSM 850 / UMTS 850 / UMTS 1900

Network ID

NW01331

Network Name

Tracfone - CLARO

Network Country

Puerto Rico

Network Bands

GSM 850 / GSM 1900 / UMTS 850 / LTE 700 / LTE 1700

Network ID

NW01534

Network Name

West Central Wireless

Network Country

United States of America

Network Bands

GSM 850 / UMTS 850 / UMTS 1900

Network ID

NW00612

Network Name

Smith Bagley, Inc.

Network Country

United States of America

Network Bands

GSM 850 / GSM 1900 / UMTS

Network ID

NW01425

Network Name

Viaero Wireless

Network Country

United States of America

Network Bands

GSM 850 / GSM 1900 / UMTS 850 / UMTS 1900

Network ID

NW00636

Network Name

T-Mobile

Network Country

United States of America

Network Bands

Unknown

Network ID

NW00490

Network Name

General Communication Inc.

Network Country

United States of America

Network Bands

LTE 1700

Network ID

NW01055

Network Name

NewCore Wireless LLC

Network Country

United States of America

Network Bands

LTE 1900

Network ID

NW00217

Network Name

Broadpoint, LLC

Network Country

United States of America

Network Bands

GSM 850 / LTE 700

Network ID

NW00422

Network Name

Advantage Cellular Systems, Inc.

Network Country

United States of America

Network Bands

LTE

Network ID

NW00764

Network Name

Mosaic Telecom

Network Country

United States of America

Network Bands

UMTS / LTE 700 / LTE 1700

Network ID

NW00840

Network Name

NEP Cellcorp Inc.

Network Country

United States of America

Network Bands

GSM 1900

Network ID

NW01039

Network Name

Pine Telephone Company

Network Country

United States of America

Network Bands

GSM 850 / LTE

Network ID

NW01380

Network Name

Union Telephone Company

Network Country

United States of America

Network Bands

GSM 850 / GSM 1900 / UMTS

Network ID

NW00277

Network Name

AT&T Mobility

Network Country

United States of America

Network Bands

Unknown

Network ID

NW00345

Network Name

AT&T Mobility

Network Country

United States of America

Network Bands

GSM 1900

Network ID

NW00837

Network Name

Sagebrush Cellular, Inc.

Network Country

United States of America

Network Bands

Unknown

Network ID

NW01370

Network Name

iSmart Mobile, LLC

Network Country

United States of America

Network Bands

GSM 1900

Network ID

NW01591

Network Name

VTel Wireless

Network Country

United States of America

Network Bands

LTE 700 / LTE 1700

Network ID

NW01476

Network Name

Vodafone

Network Country

Netherlands (Kingdom of the Netherlands)

Network Bands

GSM 900 / LTE 800 / LTE 1800 / LTE 2100 / LTE 2600 / 5G 1800

Network ID

NW01655

Network Name

Commnet Wireless

Network Country

United States of America

Network Bands

GSM 850 / GSM 1900 / CDMA 2000 / UMTS

Network ID

NW00580

Network Name

iConnect

Network Country

Guam (United States of America)

Network Bands

iDEN

Network ID

NW00550

Network Name

GTA

Network Country

Guam (United States of America)

Network Bands

GSM 850 / GSM 1900 / UMTS 850 / LTE 1700 / 5G 2500 / 5G 3500 / 5G 26000

Network ID

NW00432

Network Name

DOCOMO PACIFIC

Network Country

Guam (United States of America)

Network Bands

GSM 1900 / UMTS 850 / LTE 700 / 5G

Network ID

NW00613

Network Name

IT&E Postpaid

Network Country

Northern Mariana Islands (United States of America)

Network Bands

CDMA / GSM 850 / UMTS 1900 / LTE 700

Network ID

NW00635

Network Name

IT&E Prepaid

Network Country

Northern Mariana Islands (United States of America)

Network Bands

CDMA / GSM 850 / UMTS 1900 / LTE 700

Network ID

NW02019

Network Name

Google Fi TMO

Network Country

Puerto Rico

Network Bands

GSM 1900 / LTE 600 / LTE 1900 / LTE 1700 / 5G 600 / 5G 2500

Network ID

NW02020

Network Name

U.S. Cellular

Network Country

United States of America

Network Bands

LTE 700 / LTE 850

Network ID

NW00296

Network Name

Commnet Wireless

Network Country

United States of America

Network Bands

GSM 850 / GSM 1900 / CDMA 2000 / UMTS

Network ID

NW02104

Network Name

Panhandle Telecommunication Systems Inc.

Network Country

United States of America

Network Bands

GSM 1900 / LTE 700

Network ID

NW02194

Network Name

AT&T FirstNet

Network Country

United States of America

Network Bands

LTE