[AYUDA] U5i No pasa de la pantalla Sony Ericsson

He intentado flashearlo con varios firmware y siempre el mismo error. Probe u1_u5_u8_clean_filesystem_r2a despues lo flashe con U5at_ATT_CDF1234_0199_ y tambien con U5i_AMERICA_CDF1239_3066 y siempre el mismo error a continuacion el log de la SetoolBox

Cita:

RUNNING v 1.1203/01.12/UNICARD SERIAL *******
USBFLASH DRIVER VERSION 02.02.00.05
SIGNED MODE (USING SERVER)
CFG:100000000000
PLEASE ATTACH TURNED OFF PHONE NOW
PRESS AND HOLD "GREEN" BUTTON ...

RUNNING S1_EROM VER "R8A035"

EROM_AID : 0001
LOADER_AID : 0002
SW_AID : 0001
CUST_AID : 0001
SIM_LOCK_AID : 0001

SIMLOCK STATE: "NOT TAMPERED"
FLASH ID: "0020/0040"
LOADER VERSION: "R4A012"

PHONE IMEI : 01233*********
writing "E:\Plataforma PDA\U5at_ATT_CDF1234_0199_.zip"
Processing package
E:\Plataforma PDA\U5at_ATT_CDF1234_0199_.zip

Processing ACPU files
PROCESSING: R1AA006_APP_SW_KOKORO_CRASHDATA_1227_0058_S1_SW_LI VE_1F6D_0001_XSR.software
FILE FLASHED OK
PROCESSING: R2BA010_USERDATA_FS_KURARA_ATT_GENERIC_1233_7836_S 1_SW_LIVE_1F6D_0001_XSR.software
FILE FLASHED OK
PROCESSING: R2D003_APP_SW_KURARA_ATT_CCPU_GENERIC_1233_2044_S1 _SW_LIVE_1F6D_0001_SSW.software
FATAL ERROR [ MISC_CLASS: MISC_ERROR, Failed_to_verify_flash_(0x1030) ]
error while uploading DATA block [270/270]
Break.
Elapsed: 57 secs.

:a10: Cual podra ser el problema?