The specific Galaxy S21+ SM-G996B U3 Firmware Download Package has a Stock ROM of Galaxy S21+ SM-G996B U3 Security Patch Level 2021-10-01 (October 1, 2021). This helps bypass FRP lock and revert from the root and custom ROM.
Samsung Galaxy S21 Plus SM-G996B Binary 3 Android 11 R Brazil ZTO – G996BXXU3AUHB
There are various reasons to flash “Stock Firmware on Galaxy S21+ SM-G996B U3“. For instance, if your phone gets stuck on the logo and you need to remove the FRP lock from it.
The Advantages Of Stock ROM:
- Fix boot loop issue
- Update and Downgrade
- Unroot or Fix Bugs
- To solve the lag or stutter
- Fix software issues.
- Revert to stock firmware
Pre-requirements:
- Supported Phone: Galaxy S21+ SM-G996B U3
- Ensure it’s at least 50% charged.
- Laptop or PC.
- Backup Android Phone
- Download and install the Samsung USB Driver
- Download Odin’s Latest version
Galaxy S21+ SM-G996B U3 Stock ROM Details:
SM-G996B U3 Brazil ZTO – G996BXXU3AUHB:
| Model | SM-G996B Binary 3 U3, S3, Bit 3 |
| Region / Country | Brazil |
| Language | Multi-Language |
| Android version | Android 11 R |
| Operator / Carrier | Clean ZTO (no logo, carrier apps) |
| PDA | G996BXXU3AUHB |
| CSC | G996BOWO3AUHB |
| product code | ZTO |
| Build Date | 17 Aug 2021 |
| Security Patch Level | 2021-08-01 (August 1, 2021) |
| Size | 6.6 GB |
| Download | Google Drive | Android File Host |
How To Install Galaxy S21+ SM-G996B U3 Stock Firmware:
1: Install the Samsung USB Driver on your pc.
2: Download and extract the Galaxy S21+ SM-G996B U3 Firmware files on your computer.
3: Now, Switch off your Smartphone.
4: Turn off the phone and 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: You can see a Warning Yellow Triangle Sign in the Download mode. In this situation, you have to press the Volume Up key to continue.
6: Open Odin. Then, connect your phone to the pc.
7: Odin will detect the device and show the “Added message in the lower-left panel.”.
8: Click the PDA button, and choose the Firmware.tar file.
9: Now, click the Start button in Odin to begin the Flashing.
10: Flashing usually takes 30-50 seconds to complete on your Phone.
Once you spot the “Pass” message in Odin, you can unplug your device from the computer.
The flashing process will begin and should take about 10–12 minutes. Your device may take some time to reboot, but don’t be alarmed.
When your Galaxy S21+ SM-G996B U3 finally boots up, you should be running your desired firmware.
To verify the installed firmware, go to Settings –> About Phone –> Software Information. Check the firmware number under “Baseband version.”
Disclaimer:
- Read and understand the Full Guide before flashing.”Galaxy S21+ SM-G996B U3 Firmware“.
- Use these instructions at your own risk. We are not liable for any outcomes on your device due to following the information in this guide.
- Phone must have a 70–80% charge.