Downgrade Samsung Galaxy A51 Android 12 to 11 | Rollback One UI 4.0 to 3.0

In this rollback guide, we will show you how to downgrade Samsung A51 from One UI 4.0 to 3.0 i.e. from Android 12 to 11. At the time of writing this article, Samsung started rolling the One UI 4.0 based on the Android 12 update for the Samsung Galaxy A51 users around the globe, many users have already received the latest OneUI 4.0 update. This straightway translates to the fact that the device owners were able to welcome a plethora of new features.

One UI 4.0, which is based on Android 12 brings an entirely new UI design with a simplified color palette feature and the game-changer Android 12’s material YOU design that lets users significantly personalize the look and feel of the UI. The dark mode is now been expanded to all app icons and the camera UI adds ease to use and is better than the last version.

However, some users still prefer the older OneUI 3.0 over the newer one. For some, the high degree of customization is way too much to deal with. Along the same lines, others have complained of a few bugs and underlying issues. Likewise, there are still some apps that aren’t compatible with the latest Android update. So if you also facing any such issues, then there’s a handy way out. You could easily downgrade your Samsung A51 from One UI 4.0 to 3.0 i.e. from Android 12 to 11. Here are the required instructions in this regard.

Downgrade Samsung Galaxy A51 Android 12 to 11 | Rollback One UI 4.0 to 3.0

Samsung Galaxy A51 Specifications: Overview

The Samsung Galaxy A51 sports a 6.5-inch FHD+ Super AMOLED Infinity-O display with an aspect ratio of 20:9. The display also has an 87.4% screen-to-body ratio and a pixel density of 405 PPI. The display also contains the in-display fingerprint scanner and Corning Gorilla Glass 3 protects the device. The device has a plastic back and the same plastic frame too.

Underneath the device, the in-house octa-core Exynos 9611 SoC which pairs Mali-G72 MP3 powers the Galaxy A51. This SoC is built on the 10nm process and this also pairs with 6 and 8GB of RAM and 64 and 128GB of internal storage. Further, the storage is expandable via a MicroSD card up to 512GB. The device has a dedicated SIM slot where at a time you can insert two nano SIMs and a micro SD card.

Talking about optics, the Galaxy A51 has a quad rear camera set up in an L-shaped arrangement. This quad-camera setup includes a primary 48MP sensor with an f/2.0 aperture value. This sensor pairs with a 5MP secondary depth sensor with an f/2.2 aperture. Further, it also sports a 5MP tertiary macro sensor with an f/2.4 aperture value. Finally, the device also sports a 12MP ultra-wide camera with f/2.2 aperture value. The device sports a 32MP sensor with an f/2.2 aperture value on the front.

The Galaxy A51 packs a 4000 mAh battery which supports up to 15W quick charge and also charges over type c. The device runs one One UI 2.0 which is based on the latest Android 10. It is available in four colors namely the Prism Crush Black, White, Blue, and Pink. Connectivity options include Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot, Bluetooth 5.0, A2DP, LE, GPS with A-GPS, GLONASS, GALILEO, BDS. It has also support for NFC on board.

Downgrade Samsung A51 One UI 4.0 to 3.0 | Rollback Android 12 to 11

The entire instructions have been broken down into separate sections for ease of understanding. Follow along in the exact same sequence as mentioned.

STEP 1: Take a Device Backup

To begin with, take a backup of all the data on your device. This is because the below downgrade process might wipe off all the data.

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STEP 2: Install Odin

Next up, install the Odin Tool on your PC. This will be used to install the downgrade firmware onto your device.

ODIN-Software

STEP 3: Download the Rollback Firmware

Likewise, download the rollback firmware for your device. This will help you to downgrade your Samsung A51 from One UI 4.0 to 3.0 i.e. from Android 12 to 11. You could download the Android 10 firmware using the Frija Tool or the Samfirm tool. Just make sure to download the firmware corresponding to your region only.

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frija

STEP 4: Boot Samsung Galaxy A51 to Download Mode

Along the same lines, you will have to boot your device to the Download Mode. To do so, Power off your device. Then press and hold the Volume Down + Volume Up together and connect your device to the PC via USB cable. As soon as you see the Download Mode, release all the keys. Finally, use the Volume Up key to select the OK option. That’s it. Your Samsung A51 will now be booted to the Download Mode.

Samsung-Galaxy-s20-fe-Download-Mode

STEP 5: Downgrade Samsung A51 One UI 4.0 to 3.0

Now that you have carried out the above four steps, you may start off with the downgrade process.

  1. To begin with, extract the downgrade firmware onto your PC. You should get the AP, BL, CP, CSC, and Home CSC files in the .tar.md5 format.
    samsung-galaxy-s20-fe-android-10-downgrade-firmware-files
  2. Then launch the Odin Tool and connect your device to the PC via USB cable. Make sure that it is booted to Download Mode.
  3. As soon as the connection is established, Odin’s ID: COM port will be highlighted. This means that the tool has successfully identified your device in the Download Mode.
    galaxy-s20-fe-connection-odin
  4. It’s now time to load the firmware files to Odin. So first of all, click on the tool’s BL button and load the BL firmware file.
  5. Likewise, do the same for the AP, CP, and CSC. Do keep in mind that you should load the Home CSC file and not the normal one under the CSC section.
  6. Once you have loaded all the firmware files, go to the Options section of Odin. Now enable the ‘Auto Reboot’ and ‘F.Reset Time’ options.
    samsung-galaxy-s20-fe-load-files-odin
  7. When that is done, hit the Start button and wait for the installation to complete.
  8. Once done, the tool will display the PASS message and your device will reboot to the Android 10 OS.
    odin pass
  9. You may now disconnect the device from the PC and close the Odin Tool.

That’s it. These were the steps to downgrade your Samsung Galaxy A51 from One UI 4.0 to 3.0 i.e. from Android 12 to 11. If you have any queries concerning the aforementioned instructions, do let us know in the comments section below. Rounding off, here are some equally useful iPhone Tips and TricksPC tips and tricks, and Android Tips and Tricks that deserve your attention.

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