As you know after Android 5.0 launched in the Smart phone market, there is a new option implemented on Android OS called Factory Reset Protection what we called FRP lock. If you hard reset the Android phone having Android operating system 5.0 or higher without having the Gmail id used on that particular phone then you may stuck on the re-verification screen on the smart phone, that's called FRP lock. You have to provide the same Gmail id and password used on the same handset.
By searching this website you can get some basic idea to bypass Factory Reset Protection or FRP lock, but remember if the phone does not belongs to you and you are not the actual owner of the Smartphone, then please do not bypass the FRP lock or it you are a Mobile Technician then ask for the proper bill of the phone to customer otherwise do it at your own risk.
You may also interested to read the followings:
Downloads:
Download FRP Bypass and Account Manager APK from the below link.
Download New frp unlock or bypass APK and Account manager APK from the above link and bypass all Android frp lock.
Please Share Your Thoughts