Hi Guys, I'm having problems with WiFi conection on my T-Mobile c905 so I am wanting to debrand to see if this cures it. Which is the firmware I need?

hipID:E800,EMP protocol:0401

PHONE STATE: "RETAIL"
FLASH CID: 0052
OTP LOCKED:1 CID:52 PAF:1 IMEI:35202203544263 CERT:RED

Model:C905
MAPP CXC article: R1EA033 prg1208-0485_TMOBILE_SI
MAPP CXC version: R1EA033
Language Package:T-MOB-INT
CDA article: 1210-4888
CDA version: R23A
Default article: 1205-9083
Default version: R1EA033

Operator: 000-00

Elapsed:16 secs.

Thanks in advance :)