iPhone 3g 16gig , jail broken, im using on 02 at the moment Ive not tried any other Sim , but easily ?

iPhone 3g 16gig , jail broken, im using on 02 at the moment Ive not tried any other Sim , but easily unlocked , comes with box charger etc... a few pocket scratches on the back other than that its all good , 100 ONO . call only no text as i cant text back 07895 241635.