i wanna change th theme/ debrand my phone but i havnt got a clue where to start, anyone help me out?

heres the fones info from the log from xs++

Profiling SEMC phone...
Platform: DB2010
OTP CID: 51
EROM CID: 52
EROM Color: Red
IMEI: 35735501xxxxxx
Phone ID: W200
Region: VFE_LIVE_2
CDA: CDA102738/87 R7A
Firmware Version: R4GB001
EROM: n/a
just need to know what files i need and im sure ill b able to work out the rest, and ys i have read the stickys etc, but i dont understand them rally, thats why im asking.