Apple rolls out iOS 16.3 update with support for physical security keys, E2E for iCloud backup

Besides, iOS 16.3 also introduces two new unity wallpapers, which can be accessed from the settings menu and the lock screen. Here are a few things that you need to know about the latest iOS 16.3 software update. Apple has also released watchOS 9.3 for select Apple Watch models.

iOS 16.3 changelog includes new Unity wallpapers.

Which iPhone models support iOS 16.3 update?

All iPhones that support iOS 16 are eligible for iOS 16.3 update. Hence, the iOS 16.3 update can also be installed even on the iPhone 8 and the 2nd Gen iPhone SE. Similarly, iOS 16.3 can be installed on all the iPhones launched on or after iPhone 8. Do note that, some of the iOS 16.3 features will be limited to the latest models.

How big is iOS 16.3?

For users who are on iOS 16.2, the iOS 16.3 update is around 600MB. If you have an iPhone with 5G support, the update can be downloaded on a cellular or Wi-Fi network. On non-5G iPhones, one needs to download and install iOS 16.3 via a Wi-Fi network.

Should you install iOS 16.3 on your iPhone?

Yes, iOS 16.3 is a stable update and Apple recommends every supported iPhone user install iOS 16.3 update. Besides adding new capabilities, iOS 16.3 also stabilises the whole user experience, hence, it is best to install the latest available software update not just on iPhones but on all devices.

Key features of the iOS 16.3 update

Some of the key features of the iOS 16.3 update include:

Apple extended end-to-end encryption to 23 categories, including iCloud backup, Notes and Photo. Apple says this will protect user information even in the case of a data breach in the cloud.

Apple is also bringing Security Keys for Apple ID which will allow users to strengthen the security of their account by requiring a physical security key as part of the two-factor authentication sign-in process on new devices.

The update will include support for the HomePod (2nd generation).

The Emergency SOS calls will now require holding the side button with the up or down volume button and then releasing in order to prevent inadvertent emergency calls.

It also fixes an issue in Apple’s Freeform app, “where some drawing strokes created with Apple Pencil or your finger may not appear on shared boards.”

It also fixes an issue where horizontal lines temporarily appeared while waking up iPhone 14 Pro Max, as well as an issue with the Home Lock Screen widget and Siri not responding to music requests. It also addresses an issue where the wallpaper may appear black on the Lock Screen and the problem where Siri requests in CarPlay may not be understood correctly.