Samsung Firmware SM-G991U ATT G991USQSEGYA5 G991UOYNEGYA5 G991USQSEGYA5 | EN

⏩ Download the Samsung firmware for the ✅️ Samsung Galaxy S21 5G SM-G991U with product code ATT from United States. This firmware has version number PDA G991USQSEGYA5 and CSC G991UOYNEGYA5. The operating system of this firmware is Android Android , with build date 2025-02-25. Changelist 91721357.

SM-G991U ATT G991USQSEGYA5 G991UOYNEGYA5
DeviceSamsung Galaxy S21 5G
ModelSM-G991U
Region
Multi CSCOYN
PDA/AP Version/Build NumberG991USQSEGYA5
CSC VersionG991UOYNEGYA5
MODEM/CP VersionG991USQSEGYA5
Android VersionAndroid(Android 14)
Changelist91721357
Build Date2025-02-25
Security Patch Level-
File nameSM-G991U_4_20250210143211_pz0ded4b9z_fac.zip

Number of downloads:1055 Reviews

File size:7.651 GiB

Download

1. Download software and drivers

- Download Samsung Firmware G991USQSEGYA5
- Your Samsung device drivers (Download from official Samsung site)
- Software Odin Tool:

2. Flashing firmware step by step:

- Download file and extract zip archive containing your desired firmware.
- Open software Odin Tool.
- Boot your Samsung device in the "Download Mode":
- - Press Volume Down key, Power and Home buttons at same time for 5-8 seconds until download mode is active.
- Connect your Samsung device to PC via the USB cable while in download mode.
- Next, check the "Auto Reboot" and "F. Reset Time" options in software Odin Tool.
- Hit the AP/PDA button then browse and select a tar.md5 file from the extracted firmware folder.
- Finally press the start button to begin flashing process the firmware update on your Samsung device.

3. Watch detailed video

Device boot file

BL_G991USQSEGYA5_G991USQSEGYA5_MQB91721357_REV00_user_low_ship_MULTI_CERT.tar.md5


Device pda code1 file

AP_G991USQSEGYA5_G991USQSEGYA5_MQB91721357_REV00_user_low_ship_MULTI_CERT_meta_OS14.tar.md5


Device phone font file

CP_G991USQSEGYA5_CP28944707_MQB91721357_REV00_user_low_ship_MULTI_CERT.tar.md5


Device csc file

CSC_OYN_G991UOYNEGYA5_MQB91721357_REV00_user_low_ship_MULTI_CERT.tar.md5


Device csc home file

HOME_CSC_OYN_G991UOYNEGYA5_MQB91721357_REV00_user_low_ship_MULTI_CERT.tar.md5


Device user data file

USERDATA_ATT_G991USQSEGYA5_G991USQSEGYA5_MQB91721357_REV00_user_low_ship_MULTI_CERT.tar.md5


Samsung firmware list
PDA/AP VersionCSC VersionMODEM/CP VersionOsOs VersionChangelistBuild Date
G991USQSHHYI1G991UOYNHHYI1G991USQSHHYI1Android151007550162025-09-25
G991USQSGHYF2G991UOYNGHYF2G991USQSGHYF2Android15973360112025-06-26
G991USQSFHYE2G991UOYNFHYE2G991USQSFHYE2Android15965424742025-06-09
G991USQUEHYDAG991UOYNEHYDAG991USQUEHYDAAndroid15951219602025-05-13
G991USQSEGXLBG991UOYNEGXLBG991USQSEGXLBU14-2025-01-13
G991USQSEGXK3G991UOYNEGXK3G991USQSEGXK3U14-2024-12-13
G991USQSEGXJ4G991UOYNEGXJ4G991USQSEGXJ4U14-2024-11-14
G991USQSDGXJ2G991UOYNDGXJ2G991USQSDGXJ2U14-2024-10-16
G991USQSCGXH2G991UOYNCGXH2G991USQSCGXH2U14-2024-09-13
G991USQUCGXGAG991UOYNCGXGAG991USQUCGXGAU14-2024-08-13

🤗 Where can I find the latest Samsung firmware for my region ATT?

The list of firmwares for the region is available at SM-G991U

🤗 Where can I find Samsung firmware on SM-G991U(ATT)?

You can find firmware on the page SM-G991U

🤗 For which device is this Samsung firmware G991USQSEGYA5?

This firmware for the model SM-G991U SM-G991U

🤗 How can I flash my Samsung device with this firmware G991UOYNEGYA5?

Instructions for the firmware can be found on the firmware page itself

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