Ok, when I was on holiday in Singapore, i bought my phone at the airport. It is a samsung jet S8003. It was an unlocked phone meaning that I could put any international SIM card into it without a region restriction. A month goes by and once my credit runs out, I get no reception on my phone. I go and get a topup/recharge and get a voucher. Before I put it on my phone I go to The Vodafone shop (My Provider) and they say it has prbably been blocked by the dealer. They said that Samsung may think that it has been stolen. I can say I purchased the phone and it was a damn amount of cash. So anyway, Vodafone were no use consideriing it had nothing to do with the VF sim card. Does anybody have any suggestions on what to do?