Detailed graphic tutorial，Non -iOS16 user skip，Open【Settings】-【Privacy and security】，Pull to the bottom, you can see the developer mode in the "Security" column.

Detailed graphic tutorial，Non -iOS16 user skipClick the [Developer Mode], open the switch button, and confirm the "Restart" according to the prompts. After restarting the startup device, the developer mode will be turned on.

Detailed graphic tutorial，Non -iOS16 user skipAfter the iPhone is restarted, the iPhone's main interface will appear "Open the" Developer Mode "prompt box, confirm" open ", and then enter the lock screen password.