To enable the lockdown mode within iOS:
Open the Settings app.
Tap Privacy & Security.
Scroll down, tap Lockdown Mode, then tap Turn On Lockdown Mode.
Tap Turn On Lockdown Mode.
Tap Turn On & Restart, then enter your device passcode.
To enable the lockdown mode within iOS:
Open the Settings app.
Tap Privacy & Security.
Scroll down, tap Lockdown Mode, then tap Turn On Lockdown Mode.
Tap Turn On Lockdown Mode.
Tap Turn On & Restart, then enter your device passcode.