all u gotta do is...
first, u gotta download NUE spl, lg download, and get a RUU and a alltell rom..
then... u hold ur phone in your left hand, close ur right eye, and dial, #3479585*87548#8433843# then push 1, then push 3, then u gotta w8 for a few minutes while it does its thing...
then slap urself if u tried this =D please search, and u dont always need cables to flash phones to cricket.