To Force the Phone into Download mode Without a USB Jig, Just Pull The Battery,
Press VOL up+Cam+Power on, Holding the keys pressed, Insert The battery. The phone will be forced to boot into download mode,and you will be able to see the Yellow triangle with the Exclamation Mark. Then you can go ahead and flash.
Press VOL up+Cam+Power on, Holding the keys pressed, Insert The battery. The phone will be forced to boot into download mode,and you will be able to see the Yellow triangle with the Exclamation Mark. Then you can go ahead and flash.