We do all type of FRP unlock (Gmail verification bypass) done in our shop. FRP detail is mentioned below.
(Note:- FRP means Factory Reset Protection. Means phone locked or in any other circumstances Hard reset done to device, then device asks for Gmail verification last logged in that perticular device. If gmail or Password is not remebered by user then device is unusable. This FRP lock is developed by Google Android developers after Lollipop Version.)