What you see in the image above is the evolution of mobile phone SIM card design over the past four years. The largest in the image, known as the mini-SIM, was used for quite a while as the standard ...

4FF stands for 4th Form Factor. A SIM card that is simply physically smaller than a traditional (2FF) SIM card or Micro-SIM (3FF) card. See: SIM The electric contacts and circuitry of a Nano-SIM are ...

[RoyTecTips] shows us an ingenious hack which turns a single-SIM-slot phone into a fully functioning dual-SIM phone. All that’s needed for this hack is a heat-gun, solvent, micro SD card, nano SIM and ...

There are plenty of dual SIM phones on the market these days, but most of them are a hamstrung by packaging issues. Despite their dual SIM capability, this usually comes at the expense of the microSD ...