jville...
here's the link over at modaco... i used these instructions, rom, and umdl.
http://www.modaco.com/content/i910-s...or-omnia-i910/
for backup, i use resco. i've heard that spb is good, but i haven't tried it. download the trial version of each and see which one ya like.
do you have a memory card installed on your phone?