Galaxy A40 SM-A405FN U3 Firmware – A405FNXXS3BTI3

Galaxy A40 SM-A405FN Binary 3 Firmware

The specific Galaxy A40 SM-A405FN U3 Firmware Download Package comes with a Stock ROM of Galaxy A40 SM-A405FN U3 Security Patch Level 2020-09-01 (1 September 2020). This helps bypass the FRP lock and revert from the root and custom ROM.

Samsung Galaxy A40 SM-A405FN U3 Firmware

There are various reasons to flash “Stock Firmware on Galaxy A40 SM-A405FN U3“. For instance, if your phone gets stuck on the logo and you need to remove the FRP lock from it.

If you’re going to reset your phone hard and cannot access the recovery menu. But most of the problems that cause flashing stock ROM are below.

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:

Galaxy A40 SM-A405FN U3 Stock ROM Details:

Model SM-A405FN Binary 3 U3, S3, Bit 3
Region / Country Portugal
Language Multi-Language
Android version Android 10 Q
Operator Clean MEO (without logo, operator apps)
PDA A405FNXXS3BTI3
CSC A405FNOXJ3BTH2
Product code MEO
Build Date Thu, 10 Sep 2020
Security Patch Level 2020-09-01 (1 September 2020)
Size 3.5 GB
[quads id=2]
Download Google Drive Android File Host

Download Galaxy A40 SM-A405FN U3 Boot.img

boot.img Galaxy A40 SM-A405FN A405FNXXS3BTI3 to root on Magisk without TWRP

Download Google Drive

How To Install Galaxy A40 SM-A405FN U3 Stock Firmware:

1: Install the Samsung USB Driver on your pc.

2: Download and extract the Galaxy A40 SM-A405FN 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: In the Download mode, you can see a Warning Yellow Triangle Sign. In this situation, you must press the Volume Up key to continue.

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 select the Firmware.tar file.

9: 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 A40 SM-A405FN 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.”

Disclaimer:

  • Read and understand the Full Guide before flashing.”Galaxy A40 SM-A405FN U3 Firmware.
  • Use these instructions at your own risk. We will not be responsible for everything that happens to your device resulting from using information in this guide.
  • Phone must have a 70–80% charge.