i bought a iphone from a friend how do i switch services?

[rumbo]

i had a 8525 and now i just got an iphone how do i hook it up?

[bengal85]

have your friend take it to his carrier and cancel the contract on it and then open a contract under you own name and you will be set to go

[x86isslow]

i had a 8525 and now i just got an iphone how do i hook it up?

What country are you in? What cell service company are you with? Is it a 2G or 3G iPhone?