k810i error in upgrading eprom using D Ultimate unlocker

My phone k810i was dead and when i connect d ultimate unlocker am getting the below error, please help me

17:45:29 Selected phone: K810/K818
17:45:29 Connecting via Generic EMP USB Flash Device (USB1)…
17:45:29 Device driver version: 2.2.0.5
17:45:29 Device driver date: 4-1-2009
17:45:29 Connecting to the baseband CPU...
17:45:29 Entering baseband CPU service mode...
17:45:29 Detected chipset: DB2020
17:45:29 Boot mode: ROM
17:45:29 Sending loader...
E 17:45:29 Error: 0xA7AB9E28
E 17:45:29 Error data: 0xA7AB9E28 - 00000003:004513
E 17:45:29 Error: 0x82285E14
E 17:45:29 Error: 0xFF68B257
E 17:45:29 Error: 0x35A52603
E 17:45:30 Error: 0x45A1D7E8
E 17:45:30 Error: 0xD6E193F2
E 17:45:30 Failed!
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