iOS 16.3.1 (20D67) for iPhone 11

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iOS 16.3.1 Release Notes

Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

This update provides important bug fixes and security updates for your iPhone including:

• iCloud settings may be unresponsive or incorrectly display if apps are using iCloud
• Siri requests for Find My may not work
• Crash Detection optimizations on iPhone 14 and iPhone 14 Pro models

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222