A couple of months ago, when I killed my phone, doing i dont know what any more(newbie), I started SEtool2 lite, selected my phone model and hit "FLASH" :
-I didn't add any (rest)file before pressing flash, SEtool detects and uses the rest file by itself ( at least in my case) otherwise you should look for the right rest file.
- It worked on my W800 cid49 red (K750) all patched, I hope it will work for you!!!
so that's what I did then:
1) Open SEtool2 lite
2) Choose your phone model
3) Then press "FLASH" button (without adding any files in any windows), follow instructions, disconnect and..voilá! phone is revived
It worked for me so tell me if it worked for you too!!