How to return my Android version 10 to 9 | Downgrade Android

Some of those who have updated their mobile to the Android 10 version didn't like some details they found. For example, leaving applications open and draining the battery very quickly. Or maybe they were more comfortable with Android 9. Is there a way to fix this? Yes. We will tell you how you can downgrade the your Android version 10 to 9.

Install the SDK tools on your PC

To immerse ourselves in the internal system of our Android device, we must have a handy a SDK tool package and install it directly on our PC. We will use it when we enter the command line «Android Debug Bridget» (ADB). We need to unzip the SDK once it's downloaded and leave its neatly sorted files in one place to make the job easier.

Find and download the Android 9 image to your computer

We need to download the latest image that belongs to our team's version. We can look on the box or the battery for the specifics of the equipment, including its model, and then make sure of this. To get the Android 9 image we went to the manufacturer's website eg Google Pixel, OnePlus… We could also use places like XDA Developers to search their resource library.

Before we start downgrading our Android 10 to 9, we need to create a backup or backup with files, photos, documents, music and other things on the internal storage. Otherwise, during the version download process, the whole system and the information in the internal memory will be erased. For sure, you don't want to lose those important files that you have saved.

Connect your mobile to computer to return your Android version 10 to 9

You can format your mobile and do everything correctly from your computer, to downgrade we have to enable USB debugging. Let's go to «Settings», then search for «About phone», you will see the «Build number» area and click on it repeatedly. This allows you to enable developer options.

Let's go back to «Settings», find «Systems» - «Advanced» and click on «Developer options». At the bottom of the screen is the debugging section where we pass the «USB Debugging» button.

Lo OEM unlock present in the development options must be enabled. Then, we start the mobile in «Bootloader» mode. It is achieved regularly by pressing the power button along with low volume.

Once this is done, we connect the mobile phone to the computer via the USB cable. It is recommended to use the original cable supplied with the device or a high quality one that guarantees data transmission. On the computer we open a command prompt window and look for the directory where the image is located. We write adb reboot bootloader in the same terminal to start ADB.

The process continues by installing i Google drivers and updating them. Then unplug your Android mobile and plug it back in to verify that our system can see it and for this we write "quick boot device" in the terminal. If you haven't already, put the factory image for Android 9 in the same file in the ADB folder.

Now is the time to unlock the bootloader  of the phone typing fastboot flashing unlock in the terminal. We will confirm the action with the physical volume up / down buttons and the on / off button. Then we unzip the factory image present on our computer. Once this is done, we write flash-all in the terminal.

The mobile phone should restart at this point. It will be necessary start it in fastboot mode pressing the power button and the volume down button. Now in the terminal we write fastboot flashing search to activate the bootloader and confirm again. We restart the device, mark start and that's it! On our phone we will see Android 9.

With these steps you can downgrade your phone and restore the Android version from 10 to 9. Tell us how you are after applying this method. But as we can't wait for you to come back, we'd like your opinion on this information you just read. So don't forget to leave your comment.