K700c刷机问题： failed to load certloaders

[jianjianjiao]

用setool刷机总出现如下问题，不知如何解决
GUI v0.91373/UNI
standalone version engaged.
Card serial:00001283
Loaded 49 flash descriptors
Open COM port OK
ChipID:8000,EMP protocol:0301
PHONE IS RED RETAIL PRODUCT
FLASH CID detected:36
Speed:115200
err: C2
failed to load CERTLOADERS,try to use RECOVERY.
Elapsed:6 secs.
RECOVERY MODE STARTED
Open COM port OK
err: C6
Open COM port OK
err: CE
All possible recovery loaders fail. That phone not supported
Elapsed:14 secs.