Unlock pattern lock on Samsung Galaxy S5 G900F if you have no access your Google acount. If you have forgot you pattern lock and also your Gmail account to reset pattern lock then only urgent method to remove this code is hard reset trick. But, using this method all data on mobile memory will be deleted like messages, contacts, call history.
We can also reset device using some software or box. It is necessary to take backup all internal memory before apply any trick. Hard reset method is also usefull if phone operating system gives slow speed or hang during running any app. Follow each instruction step by step as mentioned below.
1. Power off mobile.
2. Press and hold Volume Up + Home + Power button together for some seconds.
3. Release Keys when android logo appear.
4. With volume keys select “Wipe data factory reset” and press power to confirm.
5. Select with volume keys “Yes….delete all user data” and press power to confirm.
6. When format complete reboot mobile to complete the method.