Having two SIM cards doesn’t bring any magic, but it does bring a lot of convenience for folks who need two lines.
Honestly? You probably don’t need a dual-SIM phone. Don’t get me wrong, I know plenty of people out there do have a real need for more than one number being able to send and receive calls and messages from one phone, and it’s great that the option is available. But some of us think of dual-SIM phones as some sort of magic, because double the mobile network connection means double the awesome.
That’s not really how it works. Lets take a look at one of the recent “popular” dual-SIM phones, the ASUS ZenFone 2, and just what you can — and can’t — do with two SIM cards.