Lockdown Mode is disabled by default, but you can turn it on in your iPhone’s privacy settings. When you turn it on, you will be presented with a list of things that this feature locks down or disables. If you still wish to continue, your phone will ultimately need to reboot to enable the feature.
Here’s how to enable Lockdown Mode on iPhone:
- Open Settings.
- Scroll down and tap Privacy & Security.
- Tap Lockdown Mode.
- Tap Turn On Lockdown Mode.
- Tap Turn On Lockdown Mode again.
- Tap Turn On & Restart.
- Your iPhone will restart in Lockdown Mode.