@sarojmaske First, back up all inportant data on the phone. I would recommend backing up the data to a computer.
Then perform the following procedure:
Turn the phone off, if it isn't already
Press and hold the power and volume down buttons simultaneously for a few seconds
Use the volume up and volume down buttons to scroll through the menu until you get to "Recovery Mode"
Press the power button to select this option
Once you see the Android in distress, press and hold the power button
Press the volume up button while still holding the power button
You will get to another menu. Use the volume up and volume down buttons to scroll through the menu until you get to the "Wipe data/factory reset option".
Press the power button to select this option.
To confirm, again select "Factory Data Reset". The phone will now perform the Factory Reset procedure.
After that, set up the phone again. Be very careful about what you install, and do not install any apps from outside the Google Play store.
Let me know how it goes
3 Comments
@sarojmaske What version of Android are you running?
by Andrew S
I have Android 8 version
by Saroj Maske
This question was migrated from https://meta.ifixit.com/Answers.
by iRobot