need flash file k790i ..,,,,
 

6/12/2010 3:57:51 PM PHONE STATE: "RETAIL"
6/12/2010 3:57:51 PM FLASH CID: 0051
6/12/2010 3:57:51 PM Speed:115200
6/12/2010 3:57:51 PM FLASH ID: 2019
6/12/2010 3:57:51 PM OTP: LOCKED:1 CID:49 PAF:1 IMEI:35220601576677 CERT:RED
6/12/2010 3:57:51 PM FLASH CID:51 COLOR:RED
6/12/2010 3:57:53 PM
6/12/2010 3:57:53 PM Model (from GDFS):K790i
6/12/2010 3:57:53 PM Brand:Generic
6/12/2010 3:57:53 PM MAPP CXC article: R1JC002 prgCXC1250477_GENERIC_EV
6/12/2010 3:57:53 PM MAPP CXC version: R1JC002
6/12/2010 3:57:53 PM Language Package: ANZ
6/12/2010 3:57:53 PM CDA article: CDA102568/1
6/12/2010 3:57:53 PM CDA version: R2A
6/12/2010 3:57:53 PM Default article: cxc1250491
6/12/2010 3:57:53 PM Default version: R1JC002
6/12/2010 3:57:53 PM PROVIDER: 000-00
6/12/2010 3:57:53 PM SIMLOCKS NOT DETECTED

try here bro : Список: ./mobile_phones/box_software_firmware/setool/firmware/sony_ericsson_firmware_files/
or here : Top Sony - All about Sony Ericsson mobile phones. Free Firmware Download - Unlock - Upgrade - Debrand