Looking at what you have, it sounds like everything is stock.
So the first thing to do will be to unlock your phone with a good bootloader.
You can check your bootloader version by doing a (power, camera, and reset at same time) to confirm.
Here they are.
http://dcd1182.n715dp.com/index.php?dir=titan%2Fspl%2F
Only one of them is needed. I personally used the 2.40 Olipro