z250a no se desbloquea

[marco105]

buenas tardes este celular z250a tiene codigo de seguridad e hize el proceso de desbloqueo y a la hora de poner los 4 ceros no lo asepta, segun yo todo salio bien si alguien me puede ayudar este es el log

v0.914039/UNI
CARD SERIAL: 00027843
Loaded 51 flash descriptors
PLEASE ATTACH TURNED OFF PHONE NOW
IF PROCESS NOT STARTING,UNPLUG/PLUG CABLE/BATTERY FEW TIMES...
bootROM version: 0502
Locosto HS detected, booting...
FLASH ID: 0089/880A (00020000)
SECURITY AREA BACKUP CREATED.

PHONE IMEI:35934701112919
MODEL:Z250a
FACTORY CXC:CXC1250616_R5A023
CURRENT CXC:CXC1251011_R1C003
CURRENT CDA:CDA102873/42_R11A
USERLOCK PRESENT
Elapsed: 16 secs.
PLEASE ATTACH TURNED OFF PHONE NOW
IF PROCESS NOT STARTING,UNPLUG/PLUG CABLE/BATTERY FEW TIMES...
bootROM version: 0502
Locosto HS detected, booting...
FLASH ID: 0089/880A (00020000)
SECURITY AREA BACKUP CREATED.

PHONE IMEI:35934701112919
USERLOCK RESET TO "0000"
TOTAL CALL TIME RESET
CAN'T FIND SIMLOCK CHECK
SIMLOCK PATCH FAILED,MAYBE ALREADY PATCHED
Updating TA...
Elapsed: 29 secs.

[Ivan08v]

Fullflash a otra version de firmware..

Y repite el proceso

Saludos