erom_readvar: error reading unit 0/6
error while reading security units
SECURITY UNITS CAN'T BE READ !
DAMAGED FIRMWARE/GDFS OR EMPTY PHONE
phone pre-boot failed,possible RECOVERY needed.

Significa que el setool no lo esta reconociendo bien, error de coneccion...

ChipID:9900,EMP protocol:0301
PHONE IS RED RETAIL PRODUCT
FLASH CID detected:52
Speed:921600
OTP LOCKED:1 CID:51 PAF:1 IMEI:35464901683899 CERT:RED
FLASH CID:52 COLOR:RED
LDR:061201 1314 HANCXC1329129_DB2020_FLASHLOADER_R2A005
Flash ID check:2019
Flash props sent ok
CSloader version:
070410 1557 HANCXC1250562_DB2020_CSLOADER_R3A009
loader startup: executed
loader filesystem startup: executed
CSloader refused to start GDFS services,error is:29
loader GDFS startup failed, that is fatal
Elapsed:39 secs.

El error 29...
Puede ser daño de Flash chip o GDFS corrputa....
Flashea MAIN si no funciona necesitas cambiar el FlaSH CHIP ID....
Si el telefono esta bien, dejalo quieto...