How do I set up an iPhone?

If you're setting up a new iPhone, here are the steps to follow:

1. Power on your iPhone by pressing and holding the power button until the Apple logo appears.
2. Select your language and country/region.
3. Choose a Wi-Fi network and enter the password.
4. Set up Touch ID or Face ID, which allow you to unlock your phone using your fingerprint or facial recognition.
5. Create a passcode to protect your iPhone's data.
6. Choose whether to restore your iPhone from an iCloud or iTunes backup, or set up as a new iPhone.
7. Sign in with your Apple ID or create a new one if you don't have one already.
8. Set up Siri, Apple's virtual assistant.
9. Agree to the Terms and Conditions.
10. Choose whether to use Apple's analytics and share app usage data.
11. Set up Apple Pay if you wish to use it.
12. Choose whether to automatically download apps purchased on other devices or download apps manually.
13. Select whether to enable Screen Time or not, which allows you to monitor and limit your phone usage.
14. Choose whether to share diagnostic and usage data with Apple.
15. Finally, your iPhone will be ready to use.