The problem is flashing after a v1.x version of the firmware. To upgarde from 1.x to this do the followingI tried flashing it but it fails at 75%
W/ [P2][02:10:35]Transfer Complete! total size is 5627904 Bytes
W/ [P2][02:10:36]Cmd --> (bootm 0x82000000)(0)
E/ [P2][02:11:48]failed because no connected device ,current step is 18
Have you tried it?