The trauma of losing a mobile phone is usually not the handset but the phone numbers and saved text messages it contains. And while these can be backed up via Bluetooth or a £20 SIM reader, this is too complex for most people so it doesn’t happen. "The solution is for network operators to offer over-the-air backup services, says Ian van Reenen, technology director of software house Attix5, which has developed Backup Professional : Mobile Edition."

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