iOS 13.1.3 includes bug fixes and improvements for your iPhone. This update:

• Addresses an issue that could prevent a device from ringing or vibrating for an incoming call
• Fixes an issue that may prevent opening a meeting invite in Mail
• Resolves an issue where data in the Health app may not display correctly after daylight savings time adjusts
• Fixes an issue where Voice Memos recordings may not download after restoring from iCloud Backup
• Addresses an issue where apps might fail to download when restoring from iCloud Backup
• Fixes an issue that can prevent Apple Watch from pairing successfully
• Resolves an issue where notifications may not be received on Apple Watch
• Fixes an issue where Bluetooth may disconnect on certain vehicles
• Improves connection reliability of Bluetooth hearing aids and headsets
• Addresses launch performance for apps that use Game Center

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

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