Please Help...

Unknow Manufacturer ID, Flash does not exist or failed to initialize H/W.
G Five-6700i
Expert mode on


Initializing...
DA_LIB_VER_4.0.3.2
It is sensing the pinout fast...
RXD=21 TXD=22
Connecting...
Connected...sending boot...
FDL test...OK
ArmBootMode: 6600700100006A00_00
Wait for init Commzero Security Engine...
Done.
Loading bootloader...
Done.
Changing baudrate...
Set baudrate to 921600 is ok
Reading phone HW info...
Unknow Manufacturer ID, Flash does not exist or failed to initialize H/W.
CPU: SC6600L2 Flash: NOR_UNKNOWN