From my phone I can't see sigs but I believe lumin links to here http://xdaforums.com/showthread.php?t=1500427 So yeah try that then reflash one of the ROMs from the dev section.
Edit: are you trying to do everything from your phone without a computer? If so I can make you up a quick guide to try.
Sent from my SGH-T959V using xda premium
im using a computer now, i think its more easy using a computer then a phone