Why doesn't systemupdate 5:1.1 work?

[AC Question]

why dont systemupdate 5:1.1 work.

I can restart and installation begins but within 1 minute Android stop and there is a message in one word "ERROR" in red.
I have made several attempts to update all fail the same way.

 

[B. Diddy]

Re: why dont systemupdate 5:1.1 work.

Welcome to Android Central! Which device? Is this an official system update over-the-air?