It will remove all the data ,contacts and apps that you installed
If we forget the Google account or do not set google account for applying lock pattern, then we can restore the phone via hotkey. This procedure is for blocking problem samsung pro B7510 glaxy pattern. Follow the steps to resolve this problem.

Note: Before do that take backup of important data because this will erase every thing in mobile memory.
Press and hold power and T/3 key on qwerty keyboard
Tab android logo
Select recovery then wipe data
Reboot mobile with home button
Samsung Galaxy Pro B7510 Restore Factory Hard Reset Format Phone.So lets start the Samsung Galaxy Pro B7510 Restore Factory, Samsung Galaxy Pro B7510 Hard Reset.Turn Off the mobile phone for few mints.Samsung Galaxy Pro B7510 Remove Pattern Lock.
Sign up here with your email
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.
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