If you’re unfamiliar with the process, don’t worry, it’s very easy. During setup, you’ll be asked if you want to transfer your number from your old iPhone. Once you agree, it will take a minute or two to activate cellular data on your new iPhone, and you’re good to go. Keep in mind that your old physical SIM card will effectively stop working once you do this.
If you’re coming from an Android phone (with or without eSIM support), you will need to scan a QR code provided by your carrier. This might even be the case with an iPhone if you’re having trouble—just contact your carrier and they should be able to sort things out quickly.
Adding Other Accounts and Setting Preferences
Otherwise, it’s just a matter of personalizing your preferences. Want to add an email account? Go to Settings, Mail, Accounts, and choose Add Account. Want to fine-tune which apps refresh in the background (and…