hello,my k790i doesnt seems to work i tries pretty much each n everthing..please help

hi some days before my k790i fell down from my hands and after that it doesnt seems to work perfectly... when i power up the phone it vibrates and a white screen starts blinking not readily but after two secs or 3.... the phone doesnt turn off untill i get the battery out... i tried everything i flashed it with latest firmware from here top sony i updates the erom downloaded from here i made a backup of my gdfs and wrote an gdfs of a good working fone n applied the script secunitsbackup.txt [i read it somewhere of this procedure if gdfs is damaged and not having a backup] .... everything went perfect the flashing the erom the gdfs i tried the unlock/repair buttton it seeems to work well too but nothing same prob!!! i pretty much went on awl the blogs the disscussions around the internet tried each n everything but nothing.... what shalll i do now?? please help me... my phone is cid 52 and i've been using setool 2 lite v1.11...