Android 4.1.1 System Update Fail

[AC Question]

Have the AT&T Avail 2 made by ZTE. System update feature indicated an update available for the SD storage. Have a fail message with no stated remedy. Seeking informed guidance

 

[Golfdriver97]

Welcome to the forums. It is possible the download was corrupted. Have you called AT&T and asked if they can update the device for you?