Post Boot loop after FOTA adb comments not helping

I have d802..with stock KK rooted..with costume kernal.
ive tried installing the OTA update and got stuck in the lg logo with TWRP recovery in hand.
tried whiping everything,,,complete factory reset and what not,,
then tried both methods in http://forum.xda-developers.com/show....php?t=2582142

I have no idea what to do..please help me im desperate