Dear all, after a long period of testing, I finally got my phone to connect to Setool2lite v.1.11 :D
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ChipID:9900,EMP protocol:0301
BOOTROM MODE DETECTED
Speed:921600
Flash ID check:897E
Flash props sent ok
OTP LOCKED:1 CID:49 PAF:1 IMEI: CERT:N/A
FLASH CID:49 COLOR:RED

Model:K790i
Brand:Sony Ericsson
MAPP CXC article: R1CC003 prgCXC1250481_CHINA_EV
MAPP CXC version: R1CC003
Language Package:APAC
CDA article: CDA102568/101
CDA version: R4A
Default article: cxc1250491
Default version: R1CC003

Operator: 000-00

Elapsed:47 secs.
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As you guys said that I need to flash my phone, main and filesystem, but where can I find these 3 files? Can you also give me a brief instruction on how to to it using Setool2 V.1.11 You efforts are greatly appreciated!!!:)