Nuevo iPhone 5S: What Is This 'Carrier Settings Update' on My iPhone, iPad?

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

Re/code

For example, a carrier update was issued after a bug was found on the Verizon iPhone 5s that was causing the phone to use cellular data while connected to a Wi-Fi network. An update can also add support for any upgrades made to the carrier's network ...