Galaxy S21 5G
Firmware G991U1UESJHZB1
United States · XASAndroid 15Built Feb 24, 2026Release information
The software versions and region covered by this firmware update.
G991U1UESJHZB1G991U1OYMJHZB1 United StatesInside the firmware
Read from the build properties and kernel of this firmware.
o1qAP3A.240905.015.A2.G991U1UESJHZB15.4.274-qgki-30957850-abG991U1UESJHZB1United States · CSC XAS · 9 carriers in 3 countries
CSC is Samsung's region and carrier customization. The networks below are included in this release.
T-Mobile312530NWIDNW01754T-Mobile312530NWIDNW01755T-Mobile311490NWIDNW01681T-Mobile311490NWIDNW01682T-Mobile312530NWIDNW01963Verizon311390NWIDNW01782Verizon311390NWIDNW0196300101NWIDNW0178200101NWIDNW01963001010NWIDNW01782001010NWIDNW01963
2600hz310000NWIDNW01673321Communications310000NWIDNW01674ACNInc310000NWIDNW01675AerisCommunications310000NWIDNW01676AlegroMobile310000NWIDNW01677AmeriMex Communications310000NWIDNW01678AMTEL310000NWIDNW01679ASSISTWIRELESS310000NWIDNW01680BirchCommunications310000NWIDNW01683BirchCommunicationsCbeyond310000NWIDNW01684BlueJayWireless310000NWIDNW01685BrightstarGlobal310000NWIDNW01686BudgetPrepay310000NWIDNW01687CauseBasedCommerce310000NWIDNW01688ChargeCommunications310000NWIDNW01689ChitChatHoldings310000NWIDNW01690ChunghwaTelecom310000NWIDNW01691Comcast310000NWIDNW00282ConnectToWorld310000NWIDNW01692ContourNetworks310000NWIDNW01693Credo310000NWIDNW01694Curatel310000NWIDNW01695DataXoom310000NWIDNW01696DejeroLabs310000NWIDNW01697Earthlink310000NWIDNW01698Easton310000NWIDNW01699EcoMobile310000NWIDNW01700EnhancedCommunicationsGroup310000NWIDNW01701EnhancedCommunicationsNetwork310000NWIDNW01702EOSMobile310000NWIDNW01703EpikNetworks310000NWIDNW01704FlatelWireless310000NWIDNW01705FreedomPop310000NWIDNW01706Global Roaming Wholesale310000NWIDNW01896GraniteTelecom310000NWIDNW01707GridWireless310000NWIDNW01708HawaiianTelcom310000NWIDNW01709Hotwire310000NWIDNW01710I-Wireless310000NWIDNW01715IDT310000NWIDNW01711iGlobalCommunications310000NWIDNW01712INEWUSAINC310000NWIDNW01713ItsOn2310000NWIDNW01714iWireless(Access Wireless)310000NWIDNW01716KajeetA310000NWIDNW01717KajeetB310000NWIDNW01718KajeetC310000NWIDNW01719KarmaMobility310000NWIDNW01720LatinoCommunications310000NWIDNW01721Layered Communications310000NWIDNW01722LDCB310000NWIDNW01723LytxInc310000NWIDNW01724M2MDatasmart310000NWIDNW01725Madstar Mobile310000NWIDNW01726Master Call(WDT)310000NWIDNW01727Mediacom310000NWIDNW01728Megapath310000NWIDNW01729Mitel Netsolutions310000NWIDNW01730Mobile Net POSA310000NWIDNW01731MTS Integratak310000NWIDNW01732MTS Integratak(non-exempt)310000NWIDNW01733MVNO BASSTEST310000NWIDNW01734MVNO GOLDFISH310000NWIDNW01735MVNO MINNOW310000NWIDNW01736MVNO SHARK310000NWIDNW01737NetZeroWireless310000NWIDNW01738Nova310000NWIDNW00871Omnitracs-Globaltracs310000NWIDNW01739Omnitracs-XRS310000NWIDNW01740One Source Networks310000NWIDNW01741PC Management310000NWIDNW01742Powernet310000NWIDNW01743PTA-FLA310000NWIDNW01744QLinkWireless310000NWIDNW01745Ready Wireless3310000NWIDNW01746ReadyWireless1310000NWIDNW01747ReadyWireless2310000NWIDNW01748Real Time Translation310000NWIDNW01749Red Pocket Mobile310000NWIDNW01750Republic Wireles310000NWIDNW01751Ring Plus310000NWIDNW01752SI Wireless310000NWIDNW01100SmartDrive310000NWIDNW01753StreamCommunications310000NWIDNW01756TagMobile310000NWIDNW01757TelecomServiceBureau310000NWIDNW01758Telekenex310000NWIDNW01759Telispire(Coast to Coast)310000NWIDNW01760Telispire(Zefcom)310000NWIDNW01761Telit IOT Systems310000NWIDNW01762TextNow310000NWIDNW01763ThePeoplesOperator310000NWIDNW01764Tiercel Security Solutions310000NWIDNW01765Ting310000NWIDNW01310Tracfone310000NWIDNW01326TruConnect310000NWIDNW01766TruMobility310000NWIDNW01767TX Mobile310000NWIDNW01768UBI Telecom310000NWIDNW01769Unified Signal310000NWIDNW01770Vantage Communications310000NWIDNW01771Venture 3 Systems(Telekin)310000NWIDNW01772Virgin Evolution310000NWIDNW01773Virgin Evolution Roaming310000NWIDNW01774VITELITY310000NWIDNW01775Waimana Enterprises310000NWIDNW01776WINGTELINC310000NWIDNW01777Wireless Holdings310000NWIDNW01778Wizie310000NWIDNW01779Wyless310000NWIDNW01780XAS310000NWIDNW01556XAS Roaming310000NWIDNW01781XAS Test310028NWIDNW01782XAS Test310332NWIDNW01782XASCDMA310000NWIDNW01963XASCDMA310028NWIDNW01963XASCDMA310332NWIDNW01963ZirrusLLC310000NWIDNW01783ZOOMMEDIA NONEXEMPT310000NWIDNW01784ZoomMediaPlus310000NWIDNW01785Ztar310000NWIDNW01581
XAS Test311328NWIDNW01782XASCDMA311328NWIDNW01963