Keep Getting Back to Security Delay

1. Is this your corporate/organisation/enterprise/School Management iPhone? Then please contact the system administrator of your corporate//organisation/enterprise/School Management
2. If it is your device, in that case, do you have any profile installed by your corporate/organisation/enterprise/School Management?
   1. Erase the profile added by you If you have installed a profile on your own --> Install or remove configuration profiles on iPhone - Apple ...
   2. Or please contact the system administrator of the organisation who provided the profile to you

How to Check and Resolve the issue.

1. Check for Installed Profiles:
   1. Go to Settings > General > VPN & Device Management (or Profiles & Device Management).
   2. Look for any installed profiles or MDM configurations.
2. Remove the Profile (if possible): If you find a profile, you may see an option to remove it. Note that removing a profile might require a passcode or authorization if it was installed by an organization. Install or remove configuration profiles on iPhone - Apple ...
3. Contact the Administrator: If your device is managed by an organization, contact the administrator for assistance in modifying or removing restrictions.
4. Factory Reset: If the iPhone is no longer managed by the organization and you have the necessary credentials, you can erase all content and settings (Settings > General > Transfer or Reset iPhone > Erase All Content and Settings) to remove MDM and associated restrictions. How to factory reset your iPhone, iPad or iPod touch