It will remove all the data ,contacts and apps that you installed
Make sure mobile battery is charged 60 percent.
Turn off mobile remove battery and insert battery again.
Press and hold Volume Up and Power keys together.
When android logo appear press back key.
Select wipe data/factory reset with volume up down keys.
Press manu key as shown below to confirm selection.
Select yes delete all data with volume keys and press manu to confirm selection.
When mobile formated press manu to reboot mobile.
QMobile Noir A8 Restore Factory Hard Reset Format Phone.So lets start the QMobile Noir A8 Restore Factory, QMobile Noir A8 Hard Reset.Turn Off the mobile phone for few mints.QMobile Noir A8 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.