Remove Password From Android Phones

Step 1:

Turn the phone off 

Then on again

Step 2:

While the phone is turning on, holddown the home button/middle button orwhatever you want to call it, the one in themiddle on the bottom most android phones.

While you are holing the middlebutton down, press one of the volume keys

and you should get a debug/reset screen.

Note:

If your mobile doesn't have home button then press power button + one of volume button

Step 3: 

one of the options on the screen will bewipe data choose it, 

confirm on the next screen and thereyou have it, phone no longer has any codes tostop it from being used.

Again, this method deletes personal data fromthe phone its self, so do not use if you just lookaround someones phone, all Micro SD data willstill be intact.