Solved Qmobile A50 Screen hangs On Noir

Things To be Need:

First Press Volume up+Volume down+Phone Power Button(Place On Top Right Side) All Together.
After That You Can See Two Options:

Recovery Mode:- Factory Mode:-
Select Recovery Mode by using Volume-up Key Only.And You will boot in Recovery Mode.

Now Select Wipe data/Factory Reset.

On Next Screen Select Yes--Delete All User Data by using volume-up and volume-down keys and select by pressing touch buttons from left side on mobile screen.

After this Reboot Your Phone.Now your mobile reboot normally and takes up to 3 mins.