Welcome to Android forums!
I have put up some links to the Samsung Galaxy S2 for you to check out.
I wasn't sure which variety/carrier you had, so I listed several.
I think you will have better luck with the answer to your question in a forum specific to your phone.
Samsung Galaxy S2 (International) - Android Forums
Samsung Galaxy S2 (T-Mobile) - Android Forums
Samsung Galaxy S2 Skyrocket - Android Forums