install the internet on the blackberry curve using boost sim card?

Hi i have a while using my blackberry with boost, sometimes i can navigate on the internet
but only when wi fi lets me in a hotspot, know i will like to install it on my phone but i don't
know how, i will also like to download a couple of stuff can some one help me please
thank you

Goto m.getjar.com when on wifi, download opera mini(browser that works w/o wifi). I have opera mini 4.2 and 5 beta. 5 beta has tabbed browsing but 4.2 is just as great.
Opera/9.80 (J2ME/MIDP; Opera Mini/4.2.14912/756; U; en) Presto/2.2.0