Apple Inc. this week released iOS 13.1.3 for the iPhone.

iOS 13.1.3 contains bug fixes and improvements, including an issue that could prevent a device from ringing or vibrating for an incoming call, an issue that could prevent opening a meeting invite in Mail, an issue that could prevent Apple Watch from pairing, an issue where notifications may be received on Apple Watch, an issue where Bluetooth may disconnect on certain vehicles, improved connection of Bluetooth hearing aids and headsets, and launch performance of apps that use Game Center.

iOS 13.1.2 contained bug fixes and improvements, including an issue where the Camera may not work, an issue where the flashlight may not activate, and an issue where Bluetooth may disconnect on certain vehicles.

iOS 13.1.1 contained bug fixes and improvements, including fixing issues that could prevent the iPhone restoring from backup, addresses an issue that could cause battery drain, fixes recognition of Siri requests on iPhone 11, iPhone 11 Pro, and iPhone 11 Pro Max, and a security issue for third-party keyboard apps.

iOS 13 was released Sept. 20. New features include Dark Mode, new photo editing options, faster Face ID unlock, and an all-new Apple Maps.