Que tal amigo como estas, mira he intentado ingresarle un gdf, unicamente chulenado la opcion use server y enable alternative pero nada me vota el mismo error....se queda en esta parte...

SIGNED MODE (USING SERVER)
ALTERNATIVE SECURITY BYPASS ENABLED
PLEASE CONNECT PHONE IN EMP BOOTROM MODE (HOLD "2+5")
CFG:101000000000000
ChipID:C900,EMP protocol:0401
BOOTROM MODE DETECTED
OTP LOCKED:1 CID:52 PAF:1 IMEI:3547990xxxxxx CERT:BROWN
LDR:2009-04-21 18:16 CXC1250778_DB31XX_PRODUCTION_LOADER_APP_SDRAM_R2A0 81
DEVICE KEY:CE6A158DF12268C095299D9DED9F9F41 (2)
LDR:2009-04-21 18:17 CXC1250781_DB31XX_RESET_LOADER_ACC_SDRAM_R2A081
LDR:2009-04-21 18:18 CXC1250782_DB31XX_RESET_LOADER_APP_SDRAM_R2A081
GOT SEED:591E73A03480EF69256020B4
P96 AUTH PASSED
RESETTING SECURITY TO FACTORY STATE...
RESTARTING...
PLEASE CONNECT PHONE IN EMP BOOTROM MODE (HOLD "2+5")
ChipID:C900,EMP protocol:0401
BOOTROM MODE DETECTED
OTP LOCKED:1 CID:52 PAF:1 IMEI:35479902xxxxx CERT:BROWN
LDR:2009-04-21 18:15 CXC1250777_DB31XX_PRODUCTION_LOADER_ACC_SDRAM_R2A0 81
LDR:2009-04-21 18:16 CXC1250778_DB31XX_PRODUCTION_LOADER_APP_SDRAM_R2A0 81
WRITING SEMCBOOT...
PREPARING SECURITY...
CHANGING DOMAIN TO "CURRENT"
SIGNING...
DEVICE KEY RESTORED
LDR:2009-04-21 18:12 CXC1250779_DB31XX_EXPLORER_LOADER_APP_SDRAM_R2A081
LDR CAPS:SYSTEM FLASH GDFS FILESYSTEM TA

y por ultimo sale el siguiente error

[startFS] can't get NET header