Apple iphone 4 16GB Black .

for sale is my apple iphone 4 16gb in black locked to 02 network.(please note tesco sim cards also work on this phone as they share the network).ive just upgraded to an iphone 5 so am selling due to that reason.the phone is in good used condition.unfortunately the lock button no longer works,but u can lock the phone another way easily though.its upgraded to ios6 software and comes with box and charger.prescot area of liverpool.150 ono.