Telenor One Touch 990 Hard Reset Via Keys Easy Trick

Warning:!
Do this at your own risk! All your phone data (contacts, photos, videos, music, messages, applications, games, files,) will be lost! Please make backup first if you can!
1. Power off your phone
2. Press together volume up + power button and release when android logo appear
3. Select with volume keys "wipe data/factory reset" and press power to confirm
4. Wait until the phone restarts