well i have check all my other sims on the phone and they don't work but there is somthing wrong with the phone i told o2 and they arranged a swap so i got my new orbit but i was lucky it was faulty with in 28 day othewise i would have to claim insurance lol
but its really strange something workin an all of a sudden it stops working as far as i can say i think it was cause of change in temperature |