제 목    UPDhcbUOSArSiafsX 이 름    Winfred 날 짜    2018/06/29 조 회    10 Where's the nearest cash machine? complete home loans camden Operators can change the SIMs, and update the encryption, but users are surprisingly reluctant to slot a new SIM into their handsets - they become quite emotional about it, proud to be using decades-old chippery, which stalls upgrade programmes. It's also expensive - adding a dollar to the cost of the SIM may seem like a small deal, but when a network has 10 million customers it becomes a significant expense.