
Download G991BXXU1AUB6 Flash File for Galaxy S21 SM-G991B – CAC
You’re going to download the Samsung Galaxy S21 SM-G991B Firmware Update G991BXXU1AUB6 Android 11 R from Yes Android Website.
Samsung is rolling out the 2021-02-01 security update for the Galaxy S21 based on Android 11 R, and you can download this Stock Firmware Update for your Galaxy S21 here from Yes Android If you didn't receive it through OTA (Over The Air).
The 2021-02-01 Security Patch Update brings fixes for some issues such as critical vulnerabilities that detected in the Android OS as well as scores of moderate-risk and high-risk vulnerabilities.

You can check the details of the G991BXXU1AUB6 2021-02-01 Security Update Changelog on the current page, but please don't ignore any warnings here such as installing the firmware on the wrong Phone's Model as it will brick your phone.
Download the firmware update for the Samsung Galaxy S21 SM-G991B . This Firmware Update was released for Uzbekistan (CAC) , but in case you want to download this Firmware for specific region, you can check for it below.
The PDA Version of this Firmware is G991BXXU1AUB6, CSC is G991BOXM1AUB6, and Android Version is 11 R.
The changelist for this firmware is 20701476, build date is Tue, 09 Feb 2021 13:32:16 +0000 and the Security patch level date is 2021-02-01.
Contents
WARNING: This Stock Firmware Update released only for Samsung Galaxy S21 SM-G991B, so do NOT try flashing it on another Model number even if it has the same Device's name.
Flashing wrong Firmware with Odin Tool or any other tools will brick you Android Phone, so you are the only one who responsible for that (We are NOT). Go to Settings » About and make sure the Model Number is SM-G991B
Full Details about G991BXXU1AUB6 Galaxy S21 SM-G991B Stock Firmware
Model Name | SAMSUNG Galaxy S21+ |
Model Number | SM-G991B |
Country/ Carrier | Uzbekistan (CAC) |
Region Code | CAC |
Android Version | Android R 11 |
PDA | G991BXXU1AUB6 |
CSC | G991BOXM1AUB6 |
Changelist | 20701476 |
Build Date | Tue, 09 Feb 2021 13:32:16 +0000 |
Security Patch Level | 2021-02-01 |
Samsung Galaxy S21 SM-G991B Stock Firmware Download
NOTE: In those file hosting services, you will be able to download Firmware files up to 2GB in the Free membership, but if the file is larger than 2GB, you will have to upgrade to the Premium membership.
Country/ Carrier | Download Page |
---|---|
Uzbekistan (CAC) | Stock Firmware (Download Page) |
More Updates and Related Post
- G991BXXU1AUB8 February, 2021 Security for Galaxy S21 SM-G991B – XXV
- Download G991BXXS2AUBB Stock Firmware for Galaxy S21 SM-G991B – DRE
- G991BXXS2AUBB March, 2021 Security for Galaxy S21 SM-G991B – XEC
- Download G991BXXS2AUBB Flash File for Galaxy S21 SM-G991B – SWC
- G991BXXS2AUBB Update for Galaxy S21 SM-G991B – TPH
- G991BXXS2AUBB March, 2021 Security Patch for Galaxy S21 SM-G991B – AVF
- G991BXXS2AUBB March, 2021 Patch for Galaxy S21 SM-G991B – 3IE
More updates available for your Device
Device Name | Model | PDA Version | Android Version | Android Name | Build Date | Download Page |
---|---|---|---|---|---|---|
Galaxy S21+ | SM-G991B | G991BXXU1AUB8 | 11 | R | Thu, 11 Feb 2021 09:57:48 +0000 | Download |
Galaxy S21+ | SM-G991B | G991BXXS2AUBB | 11 | R | Tue, 23 Feb 2021 09:25:56 +0000 | Download |
Galaxy S21+ | SM-G991B | G991BXXS2AUBB | 11 | R | Tue, 23 Feb 2021 09:25:56 +0000 | Download |
Galaxy S21+ | SM-G991B | G991BXXS2AUBB | 11 | R | Tue, 23 Feb 2021 09:25:56 +0000 | Download |
Galaxy S21+ | SM-G991B | G991BXXS2AUBB | 11 | R | Tue, 23 Feb 2021 09:25:56 +0000 | Download |
Galaxy S21+ | SM-G991B | G991BXXS2AUBB | 11 | R | Tue, 23 Feb 2021 09:25:56 +0000 | Download |
Galaxy S21+ | SM-G991B | G991BXXS2AUBB | 11 | R | Tue, 23 Feb 2021 09:25:56 +0000 | Download |
Galaxy S21+ | SM-G991B | G991BXXS2AUBB | 11 | R | Tue, 23 Feb 2021 09:25:56 +0000 | Download |