Sony st23 only show logo solution

How To Solved please urgent help me.

after try to flash then show this message





:confused::confused::confused:



SIGNED MODE (USING SERVER)

CFG:101000000000

PLEASE ATTACH TURNED OFF PHONE NOW

PRESS AND HOLD "BACK" OR "VOLUME DOWN" BUTTON ...



RUNNING S1_BOOT VER "r10D030"



ACTIVE_COMP_AID : 0002

HWCONF_AID : 0002

LOADER_AID : 0002

BOOT_AID : 0002



FATAL ERROR [ SIN_header_verification_failed, err: 0003 ]

error while uploading final HDR block

LOADER NOT STARTED

FAILED TO SETUP PHONE

Elapsed: 91 secs.

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