i have a nokia 6230i. 1 month old bought on 02 pay as you go. but have been using my contract 02 sim in it. now i have decided to use the pay as you go sim because bills are to high. put the pay and go sim in the phone and its coming up security code. iv tried the default number 12345 but it wont unlock. the security code has not been changed.
it works with any other sim card in it apart from the one it came wiv. can you help?