GSM-Forum - Sony Ericsson k800i

Hi, Iam trying to repair K800i using Ultimate Unlocker . which is dead with black screen but detectable through USB. I tried to repair but return following error code. Please help to sort out...!!

Quote:

13:53:07 D-Ultimate Unlocker v5.04 by Cruiser Team
13:53:07 - Fast & Full - Unlock, Relock, Show codes, Sec.zone rebuild, EROM repair, CID change
13:53:07 Initializing...
! 13:53:07 1. Please see the documentation first (the tab 'Info' or attached .pdf file)
! 13:53:07 2. Choose the phone model
! 13:53:07 3. Select the desired options
! 13:53:07 4. Please connect the phone either via USB while holding 2-5…
! 13:53:07 - or via a serial cable and double-click on it in the device list
13:53:50 Selected phone: K800
13:53:50 Connecting via Generic EMP USB Flash Device (USB2)…
13:53:50 Device driver version: 2.2.0.5
13:53:50 Device driver date: 2-22-2011
13:53:50 Connecting to the baseband CPU...
13:53:50 Entering baseband CPU service mode...
13:53:50 Detected chipset: DB2020
13:53:50 Boot mode: ROM
13:53:50 Sending loader...
13:53:50 IMEI: 35908701104829
13:53:51 OTP CID: 51
13:53:51 Effective CID: 49
13:53:53 Please reconnect the phone (disconnect, connect while holding 2-5)
13:54:04 Sending loader...
E 13:55:11 Error: 0xF984FBBB
E 13:55:11 Error data: 0xF984FBBB - 00000004:1F000000
E 13:55:11 Error: 0x6C729765
E 13:55:11 Error: 0xF984FBBB
E 13:55:11 Error data: 0xF984FBBB - 00000004:E3030000
E 13:55:11 Error: 0x8CDFAB78
E 13:55:11 Error: 0xFA7863EC
E 13:55:11 Error: 0x780BA8B0
E 13:55:11 Error: 0x599D63C1
E 13:55:11 Error: 0x10BE36DC
E 13:55:11 Error: 0x59AF7680
E 13:55:11 Error: 0xF984FBBB
E 13:55:12 Error data: 0xF984FBBB - 00000004:E3030000
E 13:55:12 GDFS start-up problem
E 13:55:12 Failed!
! 13:55:12 To report errors right-click this window