Press skip ad to the following links, and follow the instructions of the video carefully.
Multiloader v5.67 link: http://adf.ly/bFPNx
Samsung S5230 firmware link: http://adf.ly/bFPsG
http://www.youtube.com/watch?v=L-RKpOnnvjw
If you're using a S5230, I'm not sure wether you're going to have the option to turn on/off the Wi-Fi from the settings menu.
NOTE: Your phone will be formatted!
