shut it off then on it back...try..if cannot,try to use ZiPhone..press button to put it on DFU mode..happened to me,last time coz while unlocking using Ziphone,laptop hang while unlocking,ended up like dat.but after i shut the phone,wait a few while,the phone stopped scrolling edi.then can restore back and unlock back.hehe...

ya,that's what i did last time.be more carefull la next time.better use ZiPhone or iplus only.don't try to use other maa....