how to Hard reset Gionee v4s

  First switch off mobile phone.

 Remove the battery in the mobile phone & re insert battery.

   Press and hold mobile phone in Volume up key +Power Key in few seconds.

  Now you can see Android Logo on screen

You select wipe data or factory reset

You select yes or delete all user data

  After you reboot the mobile phone set end the process

Samsung GT S5360 Pattern unlock

  First switch off mobile phone.

 Remove the battery in the mobile phone & re insert battery.

   Press and hold mobile phone in Volume up(+) key + Menu key +Power Key in few seconds.

  Now you can see Android Logo on screen then press the  volume key to see recovery menu.

You select wipe data or factory reset or press center key to confirm.

You select yes or delete all user data and press center key. 

  After you reboot the mobile phone set end the process