Gmail passcode unlock help

[AC Question]

Ok so my Samsung Galaxy prevail lte screen cracked so I bought a new oneis about to get the old screen fix but I forgot my passcode to the old device how can I change the password threw gmail if my new phone is linked to it and my old phone is not activated plz help I don't want to do a factory reset

 

[Almeuit]

Hello!
I would try logging into your Google Account on a PC and then go to Android Device Manager (https://www.google.com/android/devicemanager). From there you can setup a new password and GPS/Locate your device.