How do I install the iOS 15 public beta and use Face ID with mask detection and universal controls?

How to install the iOS 15 public beta

1. Make a fresh backup of your iPhone or iPad
2. On your iPhone or iPad, go to Apple’s public beta website
3. Click the arrow in the upper right corner, if you are not logged in yet, please log in
4. Now make sure you are using the iOS "Public Beta Tutorial"
5. Down Swipe down and under the "Get Started" section, tap Register Your iOS Device
6. Swipe down again and tap Download Profile
7. Click Allow to download the profile, click Close
8. Go to the Settings on your device and click # near the top ##Download configuration file
Click
9. Install in the upper right corner, enter your password if required
Read the agreement, and then click twice
10. Install
Your iPhone or iPad will prompt you to restart to complete the changes
11. After restarting, return to
12. Settings>General > Software Update
You should see the iOS 15 public beta available, click
13. Download and Install

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