Sounds like you flashed a Galaxy S (i9000) rom and/or kernel. You need to get one of the stock rom's, I would suggest KD1
, and flash it with odin.
Don' flash anything that is not in the Galaxy S 4G
Galaxy S 4g(by Samsung)
>I give up trying to keep up. It changes everyday now!
Nexus S(by Samsung)
One X+(by HTC)
"I must be in to you, I haven't flashed a ROM in over a month." - Me (to my girl)