How to clean virus on android phone

1 Restart in Safe Mode*: Boot your phone into safe mode to prevent any third-party apps from running. This can help you identify if the problem is caused by an app you installed.

2. Uninstall Suspicious Apps*: Go to your phone's Settings, then to Apps or Application Manager. Look for any recently installed or suspicious apps and uninstall them.

3. Update Your Software*: Ensure your phone's operating system and all apps are up to date. Developers often release updates to patch security vulnerabilities.

4. Install Antivirus Software*: Install a reputable antivirus app from the Google Play Store and run a full system scan. Follow the app's instructions to remove any detected threats.

5. Clear Cache and Data*: In your phone's Settings, go to Storage and clear the cache and data for any suspicious apps or those you've uninstalled.

6. Reset Your Phone*: If the problem persists, consider factory resetting your phone. Make sure to back up important data before doing so, as this will erase all data on your device.

7. Prevent Future Infections *: Be cautious when downloading apps from unknown sources, avoid clicking on suspicious links, and keep your phone's software updated regularly.

If you're unsure about any step or suspect a particularly severe infection, it's advisable to seek assistance from a professional or your phone's manufacturer.

How to root Android phone

 Rooting an Android phone can give you deeper access to the device's system files and settings, allowing you to customize it more extensively. However, it also comes with risks, including voiding your warranty and potentially bricking your device if not done correctly. Here are general steps to root a Xiaomi (Mi) Android phone:

1. **Backup your data**: Before you begin, make sure to backup all your important data as rooting can potentially erase everything on your phone.

2. **Unlock the bootloader**: Most Android devices, including Xiaomi phones, require you to unlock the bootloader before you can root them.  Xiaomi provides an official tool called Mi Unlock Tool for this purpose. 

You'll need to register for a Mi account and follow Xiaomi's instructions to unlock the bootloader.

3. **Enable USB debugging**: Go to your phone's Settings > About Phone and tap on the Build Number several times until you see a message saying 

"You are now a developer." Then, go to Developer Options and enable USB debugging.

4. **Download rooting software**: There are various rooting tools available such as Magisk, SuperSU, or KingoRoot. Make sure to download the latest version from a trusted source.

5. **Connect your phone to your computer**: Use a USB cable to connect your Xiaomi phone to your computer.

6. **Run the rooting software**: Follow the instructions provided by the rooting software to root your device. This may involve running scripts or commands on your computer while your phone is connected.

7. **Wait for the process to complete**: The rooting process may take some time. Do not disconnect your phone until it's finished.

8. **Reboot your device**: Once the rooting process is complete, reboot your device. 

9. **Install a root management app**: After rooting, you may want to install an app like Magisk Manager to manage root access and install modules.

10. **Check if root access is successful**: You can use apps like Root Checker to verify if your device has been successfully rooted.

Remember, rooting your phone comes with risks, and it may void your warranty. Make sure you understand the consequences before proceeding, and always follow instructions carefully to avoid damaging your device. Additionally, be aware that some apps and services may not work correctly on rooted devices.