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How to hard reset Qmobile A8 to factory default settings or unlock screen pattern lock. Screen pattern lock is best security option to prevant mobile data to unauthorised access. But some time it creates big problem when any one enter wrong pattern many times to access mobile features. Mobile shows on screen enter google account to reset screen lock. If there is no wifi connection or you have forgotton your gmail account then you can reset mobile via key combination. This method will erased all data on mobile memory like messages, contacts and applications. So it is important to take backup of important data on computer hard drive or memory card.
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.
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Remove forgotten pattern, fingerprints, PIN and password for Samsung Galaxy without data loss
http://youtu.be/rXADgwgVk_Y
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