Forgot Password On Android Phone or Tablet- How To Reset Android Password?
Step by step tutorial on How To Reset Android Password or Pattern Without Losing Data?
There is no loss of data or pictures or files when you follow this method. Factory data reset is not needed when you use this method, so you do not lose any data or file stored on your phone. It just replaces your old android password or pin or pattern with new password using google servers so that you can unlock your phone and access it even if you have forgotten the pattern or password or pin or passcode.