Allow Cellular Data Switching option enables your iPhone 13 to use cellular data from both plans, depending on coverage and availability. We’d recommend you to turn it on!

Whether you're setting up your first phone or trying to transfer data from an old one, here's how to activate an eSIM on your iPhone 16.

On your iPhone, navigate to the Add Cellular Plan section and follow the on-screen prompts to detect and transfer the eSIM from your old device.

It's easy to save cellular data on your iPhone by lowering your data usage settings with any of these six methods. Here's how to do each.

How to manage Cellular Data To check stats such as usage, on your iPhone head into the Watch app > tap Cellular. It may take a moment for the data to populate.

Hollis JohnsonYou can activate a new or used iPhone in several steps. If youre setting up a new or used iPhone, youll need to activate your iPhone with a cellular service provider.

Use the options in Cellular Data (iPad) or Cellular (iPhone) to prevent excessive use of certain services from consuming a lot of your data allocation. You can turn on and off specific apps, and ...