Unfortunately, getting answers to these questions is much harder than it should be.Unlike major operating system updates, there isn’t a lot of information or messaging about what carrier settings updates do, where they come from or how they impact your device.A recent change to your FIOS TV service requires that software updates be delivered to your Set-Top Box(es) so the new services are available to you.
The updates are largely used to add new features or enhance the performance.
One thing to note is that, according to the carriers, these updates are specific to Apple devices, namely the i Phone and cellular-connected i Pads.
Google and Microsoft also make carrier-related changes to their Android and Windows Phone devices, respectively, but they’re folded into a more general software or maintenance update.
A message will appear on the device that the process has started and you will received a notification once complete.
If the process fails, try restarting the device and dialing again.