I have just read all the posts here, 50/50 chance of succeeding after a cache wipe, yes there is a 100% way by using Matt's utility and option 1 BEFORE using this guide, but that is to get to STOCK, which you guys should already be at since this is for 100% stock phones (Just as if it were a regular OTA). Status(7) is a system error and half the time it means that there is a modded file that is not in STOCK, if you get status (7) run Matt's utility and run option 1, it will work. Status (0) will also get fixed the same way, Matts utility, option 1.
I know this can be easily done with ROM manager/root explorer with the /cache way, but for that, you need to be ROOTED, meaning there would be no point of doing all this because this is for stock/unmodified phones.
Running Matts utility Option 1 BEFORE doing any of these steps will guarantee an even smoother flash, but I wrote this guide already thinking everyone was stock which most of you are but still having problems, meaning less steps.
I will edit the OP with instructions on how to unbricked the phone for people who soft bricked.