k750 не прошивается ......пишет v0.914019/UNI
CARD SERIAL: XXXXXX
Loaded 51 flash descriptors
Connecting to UFS...
Found 1 FTDI device(s).
UFS #74575 READY
ChipID:8040,EMP protocol:0301
PHONE IS BLACK (00000000)
NO VALID FLASH CID DETECTED (103)
skipping empty loader...
phone pre-boot failed,possible RECOVERY needed.
Elapsed:2 secs.
подскажите пожалуйста вчем причина ?
