The specific Galaxy S21 5G SM-G991B U5 Firmware Download Package comes with a Stock ROM of Galaxy S21 5G SM-G991B U5 Security Patch Level 2022-07-01 (July 1, 2022)
. This helps you to bypass FRP lock and revert from the root and custom ROM.
Samsung Galaxy S21 5G SM-G991B Binary 5 Android 12 Brazil ZTO G991BXXS5CVFB
There are various reasons to flash “Stock Firmware on Galaxy S21 5G SM-G991B U5“. For example, your phone will be stuck or hang on the logo. You want to remove the FRP lock from it.
If you’re going to hard reset your phone and you cannot access the recovery menu. But most of the problems that cause flashing stock ROM are below.
Galaxy S21 5G SM-G991B U5 Stock ROM Details:
|Model||SM-G991B Binary 5 U5, S5, Bit 5|
|Region / Country||Brazil|
|Android version||Android 12 S|
|Operator / Carrier||Clean ZTO (no logo, carrier apps)|
|AP / PDA||G991BXXS5CVFB|
|CP Version / Baseband Modem||G991BXXU5CVFA|
|Security Patch Level||2022-07-01 (July 1, 2022)|
How To Install Galaxy S21 5G SM-G991B U5 Stock Firmware:
Download the Odin and USB Drivers on your PC. Follow the below link to install the firmware using the Odin Flash tool.
How To Flash Samsung Stock Firmware With ODIN
1: Download and Install Samsung USB Driver on your computer. If Samsung USB Driver is already installed on your computer, then Skip this Step.
2: Download and extract the Galaxy S21 5G SM-G991B U5 Firmware files on your computer.
3: Now, Switch off your Smartphone.
4: After switching off the phone, you need to boot into Download Mode. To boot into download mode.
Press and hold Volume Down, Home, and Power button at the same time for 5-8 seconds until download mode is active.
5: In the Download mode, you will be able to see a Warning Yellow Triangle Sign. In this situation, you have to press the Volume Up key to continue.
6: Now, Download and open Odin. Then connect your Smartphone to the computer.
7: Once you have connected the Smartphone to the computer, Odin will automatically recognize the device and show the “Added” message on the lower-left panel.
8: Once Odin detects your device, click on the PDA button, and select the Firmware.tar file.
9: Now, click on the Start button in Odin to begin the Flashing.
10: Flashing usually takes 30-50 seconds to complete the process on your Phone.
Once the Firmware process is completed you will be able to see a Green Box with Pass written on it in Odin. During this process, the Smartphone will reboot automatically.
Once you see, the Pass message in Odin, you can disconnect your Device from the computer.
The flashing process will begin and should take about 10–12 minutes. It may take some time for your device to reboot, but don’t be alarmed.
When your Galaxy S21 5G SM-G991B U5 finally boots up, you should now be running your desired firmware.
If you want to check that the correct firmware is installed, head to Settings –> About Phone –> Software Information. The firmware number is located under the “Baseband version.”