iOS 16.3 Features: Everything New in iOS 16.3

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Apple today released iOS 16.3 and iPadOS 16.3 to the public after several weeks of testing, and while this is a more minor update, there are still some features that are worth knowing about.

In this guide, we’ve outlined all of the changes in the iOS 16.3 and iPadOS 16.3 updates.

Security Keys

Security Keys for Apple ID provide users with the option to add a third-party security key to their account, which will be needed for authentication when logging into a new device or otherwise accessing an ‌Apple ID‌.

ios 16 3 security keys info
The Security Key is designed to replace the verification codes that are sent to Apple devices when logging into another device, which is the standard method of authentication that Apple uses. Apple says that physical security keys provide strong protection against phishing and unauthorized account access.

ios 16 3 security keys


Security Keys can be set up on devices running iOS/iPadOS 16.3 by going to ‌Apple ID‌ > Security Keys and following the instructions. The iPhone, iPad, and Mac support FIDO Certified security keys such as the Yubikey.

Unity Wallpaper

Apple added a new Unity wallpaper that is designed to celebrate Black History Month, which takes place in February.

black unity 2023

HomePod Support

iOS 16.3 and iPadOS 16.3 add support for the second-generation HomePod that was introduced last week. The ‌HomePod‌ 2 is similar in size to the original ‌HomePod‌, but with a new touch interface, support for humidity and temperature sensing, Thread connectivity, a Ul chip, and more.

HomePod 2 Midnight Closeup Feature Purple Orange

Emergency SOS Changes

Emergency SOS has been updated to prevent accidental emergency calls. Calls can still be placed by holding down the side button along with either the up or down volume button, but now the buttons must be released in order to place the call.

ios 16 3 emergency sos


Prior to the change, simply pressing the buttons could activate Emergency SOS.

iPhone 14 Pro Max Display Fix

An issue that could cause horizontal lines to temporarily appear on the iPhone 14 Pro Max’s display when it is first woken has been addressed, and the lines should no longer show up.

iphone 14 pro display issues

Bug Fixes

iOS 16.3 and iPadOS 16.3 address a number of bugs, including issues with Freeform, the Lock Screen, and Siri.

  • Fixes an issue in Freeform where some drawing strokes created with Apple Pencil or your finger may not appear on shared boards
  • Addresses an issue where the wallpaper may appear black on the Lock Screen
  • Fixes an issue where the Home Lock Screen widget does not accurately display Home app status
  • Addresses an issue where ‌Siri‌ may not respond properly to music requests
  • Resolves issues where ‌Siri‌ requests in CarPlay may not be understood correctly

Vulnerability Fixes

The iOS 16.3 and iPadOS 16.3 updates address a long list of security vulnerabilities with Safari, Weather, Mail, Screen Time, the kernel, and more.

Other New Features

Know of a new feature in iOS 16.3 that we left out? Let us know in the comments below.