What is a kill switch and how does it work? The new technology aimed at making stolen smartphones worthless

UK telecom giants Virgin Media O2 and VodafoneThree are rolling out a new 'kill switch' to combat rising mobile phone theft.

Two of UK’s biggest telecom companies roll out 'kill switch' to block stolen phones from working: How it works

UK mobile giants Virgin Media O2 and VodafoneThree have activated a new 'kill switch' for new phones stolen from their stores ...