Solution Device Was Reset Sign In With Google Account That Was Previously Synced
We investigated the issue and found that this error was coming due to a anti-theft feature which is available in Android 5.1 (Lollipop) and above. This feature is called Factory Reset Protection (FRP). All the phones from manufacturers like Samsung, Moto, HTC, Sony, Lenovo etc. that are using Android Lollipop or above will have this feature. Once signed in with a Google Account, Android will not allow you to change the Google Account....