Help! I use openiboot for 3gs by Nich Pack github, When I type ./loadibec iphone_3gs_openiboot.bin, my phone says, could not load nvram bank 1 nvram nor bank 2 error! and stuck at ep in eff nak 0! can't flushing usb!! Help! P.S. what is a nvram? I think that nvram mean baseband chip, is that right?