In general, you should always use the latest version of Android (or any operating system for any electronic product). However, you may not be a fan of Android 10, or you may not think it's suitable for everyday use. If you want to downgrade Android 10 to Android 9 Pie, we are here to help you.
We must stress that you should not do this unless you really do not like Android 10 or it does not work well for your particular system device. Android 10 has some great new features – especially in terms of privacy and security – that make it superior to previous versions of Android in many ways. It will also be the latest when it comes to security patches.
If you know all this and still want to downgrade Android 10, the steps are relatively simple. But let's prepare you for the downgrade first!
Preparing to downgrade Android 10
Before you begin downgrade, you will begin to downgrade I need to make some preparations. The first thing you need to do is back up your apps, photos, videos, and so on, since completely drops down your system .
Once you've completely sorted your backup, you'll need to download an Android 9 Pie Factory image designed specifically for your device. For Google Pixel users, this is as easy as calling Google's comprehensive list of factory pictures.
If you're using a third-party phone, preparing for the downgrade of Android 10 is a bit more difficult as you'll need to find an official factory image for your device online. A great resource for this are the forums at XDA Developers . The important thing is that you download a factory image that was created specifically for your device and that you download from a trusted source . The following hardware is required:
- The manufacturer's original USB cable to connect the phone to the computer. If you do not have an original, use a high quality short and thick cable instead. Do not use cheap, thin cables – these are susceptible to interference.
- The Android SDK installed on your computer with successfully running ADB and Fastboot commands.
- 7zip or a similar program that can handle .tgz and .tar files.
- An unlocked bootloader on your phone. If you do not have an unlocked bootloader yet, check if this is possible and follow the instructions for your device. Pixel phones, OnePlus phones, and third-party phones are easy to unlock, while Huawei, Samsung, and other phones are more difficult (or even impossible). To be sure, you must search for your own device.
If you've done it all, read the next section on how to downgrade yourself!
How to Downgrade for Android 10
- Enable Developer Options In Android Settings, find section About Phone and tap "Build Number" seven times.
- Enable USB debugging and OEM unlocking on your device in the "Developer options" section now visible.  Make sure you have backed up all the important files. Remember this will completely erase your device!
- Start your smartphone in Bootloader mode. You can do this on most phones by turning them off and then on again by simultaneously holding down the power button and volume controls.
- Connect your smartphone to your PC with the USB cable.
- On your PC, open a Command Prompt window with administrator privileges and start ADB. For more detailed instructions, see the Google Summary.
- Make sure your phone and PC communicate properly by typing Fastboot Devices in your Command Prompt window. The serial number of your device should be listed.
- Prepare the previously downloaded factory image. Use 7zip to extract the downloaded .tgz file and then re-extract the .tar file extracted from the .tgz file. This will create a folder with multiple files.
- Copy and paste all of these files into the platform-tools folder of the Android SDK folder on your computer. You should find it in the Applications (x86) folder on Windows.
- There are two Flash All files. Windows users should double-click the gear logo file and right-click Windows Batch File. If you are using Linux, double-click the flash-all.sh file.
- A window opens and you should see that the installation is taking place. Meanwhile, do not unplug your device for any reason.
- When the installation process is complete, your device will automatically restart in Android 9 Pie.
You need to know how to perform an Android downgrade 10. Will you go back to Android 9 Pie? Tell us your reasons in the comments thread below!
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