While most people seem to manage just fine with a single SIM card in their smartphone, some -- especially travelers, who can save money by fitting a local SIM card into their handset -- love the ...

If you are one of the many impatient Apple fans from outside the US who have imported a 3G iPad, you will no doubt be more than familar with the lack of micro-SIM cards available on the global market.

While most people manage quite well with a single SIM card, if you want better demarcation between your work and home life, or you want to make roaming with multiple SIM cards easier, then having the ...