A Comprehensive Guide to Uninstalling or Downgrading Xiaomi MIUI 12
Many users are exploring ways to uninstall or downgrade Xiaomi MIUI 12 to a previous version, which is often driven by the desire to reduce app usage, enhance device performance, or simply return to a familiar UI. However, this process requires a certain level of technical knowledge and caution to avoid potential issues. This guide will walk you through the steps to safely uninstall or downgrade MIUI 12 on your Xiaomi device, ensuring your data remains safe and your device functions optimally.
1. Backup Your Data
Before proceeding, ensure that you back up all important data. The process of uninstalling or downgrading might result in the wiping of your device, which means losing all data stored on it unless backed up properly. This is a crucial step to prevent any potential loss of essential information.
2. Unlock Bootloader (If Necessary)
Unlocking the bootloader allows you to flash custom ROMs or move to an earlier version of MIUI. However, unlocking the bootloader usually voids your warranty. To unlock your bootloader, follow these steps:
Go to Settings About phone MIUI version. Tap on MIUI version multiple times to enable Developer options. Go to Settings Additional settings Developer options. Enable OEM unlocking and USB debugging. Follow the instructions provided on the Xiaomi website to unlock your bootloader.3. Download the Desired MIUI ROM or Custom ROM
To downgrading or uninstalling MIUI 12, you can download the desired MIUI version or a custom ROM. Visit the Xiaomi official website or trusted forums like XDA Developers to find the appropriate version.
4. Install ADB and Fastboot Tools
These tools are necessary to manage your device during the flashing process. You can download the platform tools from the official Android developer website.
5. Boot into Fastboot Mode
1. Turn off your device. 2. Press and hold the Power button and the Volume Down button simultaneously until you see the Fastboot screen.
6. Connect Your Device to Your Computer
1. Use a USB cable to connect your device to your computer.
7. Flash the New ROM
1. Open a command prompt or terminal window on your computer. 2. Navigate to the folder where the ADB and Fastboot tools are located. 3. Use the following command to check if your device is recognized: tfastboot devices 4. If your device appears, proceed to flash the new ROM. The command may vary based on the ROM you are installing. For example: tfastboot flash recovery custom_ tfastboot flash system tfastboot flash boot 5. Replace custom_, , and with the actual filenames of the ROM you downloaded.
8. Reboot Your Device
1. After flashing, reboot your device using:
fastboot reboot
9. Post-Installation Setup
1. After the reboot, you may need to go through the initial setup process, which can vary significantly depending on the new ROM or custom MIUI version.
Important Notes
Risk of Bricking: Be cautious as flashing incorrect files or interrupting the process can lead to a bricked device. This means your device may become unresponsive and non-functional.
Warranty: Unlocking the bootloader and flashing custom ROMs usually voids your warranty. Always verify the specific procedures required for the ROM you wish to install, as different versions may have unique installation procedures.
Research: Always read up on the specific ROM you wish to install. Different versions may have unique installation procedures, especially if they are still in the beta or pre-release stage. Additionally, lacking a full understanding of the process might lead to complications.
If you are not comfortable with these steps, consider reaching out to someone experienced in flashing ROMs or visit a service center for professional assistance.