These two ways of connecting your phone to a cellular network are very different. We tell you about each and how you can switch from one to another.

Russia’s mobile operators say almost no foreign tourists bother to buy local SIM cards under new identification rules that ...

If your new phone no longer supports SIM cards, or you don't want to use them anymore, you can convert to eSIM instead. I started my career with CNET all the way back in 2005, when the (original) ...