Step 2: Prepare to Change Passcode
On your device, navigate to:
Settings > Screen Time > Change Passcode
Enter your old passcode. Your device will then be ready for the 'New Passcode'.
Step 6: Download Secure File
The passcode is set. A text file containing the passcode will now be downloaded to your device. This file is not saved anywhere else.
Send this file to your trusted friend immediately.
File Downloaded!
Process Complete!
You have successfully set and secured your Screen Time passcode.