Hello, Margaro.. Welcome to the forum. I'm going to redirect you to where you will likely get help for this - here's a link to the Samsung Galaxy Prevail - Android Forums. Thanks for joining the forum. Happy Holidays.
I'm certain the people over in the Prevail area here at Android Forums can help you. Here is a link to that area: Samsung Galaxy Prevail - Android Forums Welcome aboard. I hope you enjoy your time here.
Hello and welcome to the forums! I see that the guys have pointed you in the right direction... all I can add is thanks for joining!!