Reset android pattern or password without formatting the data

Hello Everyone..

Today I am sharing an easiest way to Reset android pattern or password without formatting the data...

So here are the steps to be followed:-

Step 1:-  First of download this filemanager.zip and move it to external memory card.

Step 2:- Now place the memory card to the device and boot it into the Recovery.

Step 3:- install zip, Now u are in a file manager.. Move to a folder location given below...

         Data/system  
   Select the file named "gesture.key" and delete it
Step 4:- select menu and exit,, now reboot system..

Step 5:- U R now again asked to enter PIN/PASSWORD/PATTERN... enter any pin/password or draw any pattern.... and u have succesfully unlocked your device without formatting it....