What Is This 'Carrier Settings Update' on My iPhone, iPad? - CNBC

CNBC

What Is This 'Carrier Settings Update' on My iPhone, iPad?
CNBC
That's the first thought you might have when a notification appears on your iPhone or iPad prompting you to download a "Carrier Settings Update." If you're like me, you'll shrug and tap the Update button (YOLO!). But others might be a little more wary ...

and more »