That is not possible, what network are you?
I am still on the 320 update and have tmobile Sim locked phone.
I really want that update too.
Update: I have read the other posts now and understand why ??
What carrier are you on? I have T-Mobile in the Netherlands but I am still stuck on .146, updated through the hisuite software, so there is no update log to see.
I cant get past google setup. The point where i connect to network and need to enter password it restarts, so i can't get past this setup. I installed GAPPS with OpenGAPPS.
Edit: I restarted and deleted cache, and dalvik and seems to work now.