Your new Samsung Galaxy S10e has a combined nano SIM and microSD card tray so, inserting and removing both can be done together or separately. It’s located at the top of your phone and fits well into ...

A SIM card, or subscriber identity module, is a small card in your cellphone that lets you place phone calls, send text messages, and more.

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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 ...