also my brother iphone 4 which runs on tesco mobile 3g internet doesnt work. both phones are jailbroken. well mine is kinda of un jailbroken as i restored it :'(

tried all of that but stil doesnt work. phoned vodaphone they keep on telling me to reset network ect. but it still doesnt work :(. and i did back up my phone my music has gone :'(

if i restore will all my photos and music go?

iphone is jailbrokin and running ios4.1 when 3g is activated on settings the internet doesnt work at all. but when it is deactivated it does work and runs so slow :(. wifi internet works perfectly.