By | March 20, 2024

Galaxy A21s SM-A217F Binary 3 Firmware

The specific Galaxy A21s SM-A217F U3 Firmware Download Package comes with a Stock ROM of Galaxy A21s SM-A217F U3 Security Patch Level 2020-09-01 (1 September 2020). This helps you to bypass FRP lock and revert from the root and custom ROM.

Galaxy A21s SM-A217F Binary 3 Android 10 Q Portugal MEO – A217FXXU3ATJ3

There are various reasons to flash “Stock Firmware on Galaxy A21s SM-A217F 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.
  • Return to stock for warranty coverage.


Galaxy A21s SM-A217F U3 Stock ROM Details:

Model SM-A217F Binary 3 U3, S3, Bit 3
Region / Country Portugal
Language Multi-Language
Android version Android 10 Q
Operator Clean MEO (without logo, operator apps)
Product code MEO
Build Date Wed, 07 Oct 2020
Security Patch Level 2020-09-01 (1 September 2020)
Size 3.9 GB
Download Google Drive Android File Host

How To Install Galaxy A21s SM-A217F U3 Stock Firmware:

1: Download and Install the Samsung USB Driver on your computer.


2: Download and extract the Galaxy A21s SM-A217F U3 Firmware files on your computer.

3: Now, Switch off your Smartphone.

4: 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 Download mode, a Warning Yellow Triangle Sign will appear. simply press the Volume Up key.

6: Now, Download and open Odin. Then connect your Smartphone to the computer.

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: Click 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 a 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 pc.


When your Galaxy A21s SM-A217F finally boots up, you should now be running your desired firmware.

To verify the installed firmware, go to Settings –> About Phone –> Software Information. Check the firmware number under “Baseband version.”


  • Read and understand the Full Guide before flashing.”Galaxy A21s SM-A217F U3 Firmware.
  • Use these instructions at your own risk.
  • Phone must have a 70–80% charge.