hi i've flash my mobile N73-1 using the N73_v4.0812.4.0.1 MCU+PPM+CNT but the phone is not working, it's enable to switch on.. can anyone tell me wat to do.. can anyone explain the meaning of COR/ PPM/ UAR and why in the download file ther is (C00_PRD_cc.fpsx / PRD.V11 / .U01) NOT (.COR / .PPM / .UAR).. ITS badly urgent.. plz reply