Remove pattern lock on Qmobile A30 if you have not remember your pattern with hard reset trick. We can reset device to its factory default settings using this trick. Before reset your device take backup of all important data, because this will remove all data on mobile memory. Follow each step as mentioned below to hard reset Qmobile A30 to unlock scrteen pattern lock.
Hard Reset Qmobile A30 With Hardware Keys
Power off cellphone.
Press and hold Volume Up + Power Button for 30 seconds.
When android recovery logo appear press Power Button one time.
Select with Volume Down key "Wipe Data/factory rest" press Volume Up to confirm.
Select " Yes----delete all user data " with Volume Down Key and Press Volume Up to confirm.
After format complete reboot mobile to complete the method.