SIM cards allow you to make calls and use data on your mobile network, but how do they work, and how can they restrict what you can do with your phone? Squarespace link: Visit http://squarespace.com/techquickie and use offer code TECHQUICKIE to save 10% off your first order. Follow: http://twitter.com/linustech Join the community: http://linustechtips.com
SIM cards allow you to make calls and use data on your mobile network, but how do they work, and how can they restrict what you can do with your phone? Squarespace link: Visit http://squarespace.com/techquickie and use offer code TECHQUICKIE to save 10% off your first order. Follow: http://twitter.com/linustech Join the community: http://linustechtips.com
