If the issue is being caused by a bug or incorrect value somewhere deep in iOS’s network handling software, this should fix it. Resetting your network settings deletes all your saved network information like Wi-Fi passwords and carrier settings. There’s also which crowdsources outage reports if there’s a huge spike or reported outages on your network in your area, the fault is probably with your carrier. Your best bet for finding this info in a hurry is just to Google “ outages”. Some also have an outage hotline you can call for more information or to report an outage. Most carriers are pretty quick to post about outages on their websites and social media channels. If this is the case, there’s not a whole lot you can do until they fix whatever the problem on their end is. If rebooting your iPhone doesn’t do anything, there’s a chance your carrier is experiencing an outage. Similarly, if it’s a background process that’s causing the issue, that process will be terminated and restarted by a reboot. If, for example, it’s stuck on the 3G network rather than the 4G one, turning it off and on will force it to reconnect to the network.
Instead, by turning your iPhone off and then back on, you get it to start everything afresh.
So much goes on behind the scene in any operating system that troubleshooting them all individually is next to impossible. RELATED: Why Does Rebooting a Computer Fix So Many Problems? Your iPhone’s cell signal is often one of them. “Have you tried turning it off and on again?” It’s clichéd advice for a reason: rebooting stuff fixes a lot of problems.
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