One of the first things that a user needs to do when setting up a new Galaxy Note10+ is to insert and remove a SIM card. If you are new to Samsung Galaxy devices and you have no idea how about the ...

What is a SIM card used for? A SIM card, or a subscriber identity module/subscriber identification module, is a tiny memory card that contains unique information and is linked to a particular network ...

One of the first things that any Galaxy S9 user needs to do when unboxing a Galaxy S9 is to insert a SIM card. This is especially important if you have the GSM version of the Galaxy S9. Having a SIM ...

If you’ve bought an iPad with 4G/cellular capabilities (we discuss whether that’s a good idea in our 2015 iPad buying guide) or a new iPhone, you need to buy and install a SIM card. Here, we explain ...

Dual-SIM phones allow you to easily manage (and make or receive calls on) two numbers on a single handset. This means you can juggle a work and a personal contact without switching devices, have ...

If you've just got your hands on a shiny new Sim card, congratulations. Switching your Sim (the chip that dictates your allowance) can unlock huge savings. Now comes the crucial step of activating it ...