developed for Iphone users has been applied to a wide range of 3G mobile phones by UK based 24/7 Mobile Solutions. In some cases you need to drill a hole in your existing GSM SIM card, though.

Essentially, the product – Simable – puts a fake SIM under a subscribers existing SIM card to fool the handset into working with any network. So it effectively unlocks the phone.

The device will be exceedingly attractive to many 3G handset owners because the likes of Nokia have made it very difficult to unlock such phones using software 'cracks' alone.