Hi there ! well, im quite noob with this android stuff. some time ago i installed CM 2.2.1 on my optimus. but i found out that i liked the original LG android 2.1 Eclair more. but noob as i am i didn't do a back up. Now. i've tried everything, LG mobile update, KDZ software updater with different roms. but the result is always the same 1)pushing power button Lg logo appears, then a lil animation, and Lg logo again, nothing happens any further or 2) pushing power button Lg logo appears, then comes the Android logo with animation, animates for a while, and starts all over again, the android animation. tried cmd. said waiting for device . nothing happened. PLEASE HELP !!!!!!