Open the Google Play Store. Type avast in the search bar. Tap the Avast Antivirus app. Tap Install.

Tap Allow to grant the app permissions to scan your phone.

On Pixel, Nexus, and other Stock Android devices: Press and hold the power button on the right side of your phone. Tap and hold Power Off. Tap Ok when you see “Reboot to safe mode”. On Samsung Galaxy devices. Press and hold the power button on the right side of your phone. Tap Power Off. Press and hold the power button. Release the power button when you see the Samsung animated logo. Press and hold the volume down button until your phone boots up in safe mode.

Press and hold the power button on the right side of your phone. Tap and hold Power Off. Tap Ok when you see “Reboot to safe mode”.

Press and hold the power button on the right side of your phone. Tap and hold Power Off. Tap Ok when you see “Reboot to safe mode”.

Press and hold the power button on the right side of your phone. Tap and hold Power Off. Tap Ok when you see “Reboot to safe mode”.

Press and hold the power button on the right side of your phone. Tap Power Off. Press and hold the power button. Release the power button when you see the Samsung animated logo. Press and hold the volume down button until your phone boots up in safe mode.

Tap the Back arrow to exit the apps list. Tap the Security tab in “Settings” Tap Device Administrators. You may have to tap “Other security settings”, depending on your device. Tap any app you don’t want to have administrative privileges. Tap Deactivate. This will remove the apps administrative privileges. You can now uninstall the app. [3] X Research source

Click here to learn how to back up your iPhone to iTunes. Click here to learn how to restore your iPhone. Click here to learn how to reset your iPhone to its factory settings.