How To Unlock & Remove Qmobile Noir A50 Pattern Lock,
Check your mobile battery is Must Be charged 90% .
Turn off the Phone
1. Press and hold Volume up + Volume down and power keys together.
After 6 to 7 seconds release power key only
The device will start up with little Androidman logo with Exclamation mark.
Tap the HOME soft key at the bottom of the device (In between the MENU andthe RETURN soft keys).
Select with volume down key (Wipe data / factory reset) and power key to confirm.
Use the VOL DOWN key again to select YES - delete all user data and pressthe PWR key to CONFIRM
Once the Formatting is complete , press the PWR key to confirm a REBOOT