Sprint - ZTE Flash won't update to Android 4.1

[Handsome Jack]

My ZTE Flash Android 4.0.4
I followed this guide:
https://community.sprint.com/baw/co...blog/2013/08/02/sprint-flash-software-updates

Still stay Android 4.0.4
Please help me update to Android 4.1?

 

[AMOCO]

nevermind