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 ...

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 ...

The needle-like tool that causes a SIM card tray to slide out of the phone. Although a narrow safety pin or straight pin can be used, all phones with slide-out SIM trays come with a SIM needle. See ...