The iPhone makes it easy to save data and battery power by turning on the Low Data and Low Power modes. Here's how to find and use them — and what happens when they're on.

2. Use roaming mobile data Now that roaming is enabled, you should be able to connect to other networks that belong to 3rd party carriers. As I wrote before, having roaming turned on and connected ...

If you decide you want to leave your iPhone 13's 5G connection on 5G Auto, it's a good idea to double check this setting. Go to Settings > Cellular > Cellular Data Options > Data Mode on your iPhone.