It will remove all the data ,contacts and apps that you installed
1.Power off your phone
2.Push together volume Down + power button when android logo appear press home
3.Select with volume keys "wipe data/factory reset" and press power to confirm
4.Select "yes" and press power to confirm
5.Wait until format ends
6.Press power key to confirm "reboot"
7.Wait until the phone restarts
Intex Aqua i-4 Plus Restore Factory Hard Reset Format Phone.So lets start the Intex Aqua i-4 Plus Restore Factory, Intex Aqua i-4 Plus Hard Reset.Turn Off the mobile phone for few mints.Intex Aqua i-4 Plus Remove Pattern Lock.
Restore Hard reset will set your phone in origional factorry settings. It will remove all the data and apps that you installed. Your contacts will be removed and you have to add them again.