k550i white lcd after flash

SIGNED MODE (USING SERVER)
ALTERNATIVE SECURITY BYPASS ENABLED.
ChipID:9900,EMP protocol:0301

PHONE STATE: "RETAIL"
FLASH CID: 0053
Speed:921600
Flash ID check:897E
Flash props sent ok
OTP: LOCKED:1 CID:51 PAF:1 IMEI:3593460xxxxxxx CERT:RED
FLASH CID:53 COLOR:RED

Model:K550i
MAPP CXC article: R8BC004 prgCXC1250743_TMOBILE_LI
MAPP CXC version: R8BC004
Language Package:T_MOB_INT_A
CDA article: CDA102568/10
CDA version: R6A
Default article: cxc1250671
Default version: R8BC004
PROVIDER: 000-00
SIMLOCKS NOT DETECTED

RESTORATION FILE PRESENT FOR DETECTED FIRMWARE

BYPASS PACKAGE NOT PRESENT
"R8BC004_CXC1250743_TMOBILE_LI.zip"
YOU MUST FLASH SUPPORTED FIRMWARE
TO USE "ALTERNATIVE SECURITY BYPASS"

SECURITY UNITS BACKUP CREATED.
Elapsed: 5 secs.

hi anybody have solution this mobile.only show this detail when i flash and its not accept custom file and not accept any flash firmware.i have do every thing but he still there.tell what i do .when i flash it's goes to white dispaly before flash restart mobile after a mint.pls send me solution soon.
thanks

deemi59@hotmail.com

downgrade CID to 52 and flash again with CID52 flash file and post result

hi thanks for reply but k550i take full flash and complete after flash but when i try to on the mobile he still white screen and vibrate on but no display.tell me its hardware or software problem and what i do.tell me procedure how i downgrade bec i m not do this before,not face this type of problem before.k550i restarted before flash.reply soon.
thanks

hi thanks for reply but k550i take full flash and complete after flash but when i try to on the mobile he still white screen and vibrate on but no display.tell me its hardware or software problem and what i do.tell me procedure how i downgrade bec i m not do this before,not face this type of problem before.k550i restarted before flash.reply soon.
thanks

hi thanks for reply i face new problem with k550i when i insert sim shows white screen and without sim card mobile is ok tell me what,s wrong with mobile.pls reply soon waiting
thanks

Before work with hardware, try this

recovery - write gdfs ssw (empty fill) - unlock (tick imei change) - write proper erom cid52 or 53 (un-tick customize after flash) - write main and fs (tick customize after flash).

if not solve your problem, try to rehot power / flash (check it first)