03-28-2013 01:18 PM
04-01-2013 08:39 AM
First Check this Knowledge Base regarding different browser that can be available in your BlackBerry Curve 8520,And see which you're missing :
KB03892 : Differences in browsers on the BlackBerry smartphone
So if you're unable to access your Internet browser then you have to contact your present CARRIER to know if you have sufficient data plan which allow these Browser to access Internet.