Technologies
iOS 16.3: Try These New iPhone Features Now
Additional security options, new ways to use emergency SOS via satellite and more just landed on your iPhone.

Apple released iOS 16.3 in January, and the update includes some bug fixes and security updates to make your iPhone run smoother. The update also brings some useful new features to your iPhone, like security keys and an update to emergency SOS via satellite.
The iOS 16.3 update was released alongside updates for other Apple software, too, like iPadOS, Safari and previous versions of iOS. The latest iOS update arrived about a month after the release of iOS 16.2.
Here are the new features landing on your iPhone with iOS 16.3.
Security keys come to Apple ID
Users can now use third-party security keys instead of two-factor authentication for their Apple ID.
Security keys are a lot like keys to your home. You still use passwords, but this extra layer of security can help protect you against phishing scams and hackers.
«Hardware security keys are very, very secure,» Diya Jolly, chief product officer of authentication service company Okta, told CNET’s Stephen Shankland.
Apple’s security keys feature only works with FIDO Alliance-certified security keys.
Support for the second-gen HomePod
Apple’s iOS 16.3 software will support the second-generation HomePod, which is set to be released on Feb. 3 for $299 ( 299, AU$479). Apple announced the release of the new HomePod four days before the latest iOS software was made available.
New Unity wallpaper for Black History Month
The latest iOS update includes a new iPhone wallpaper as part of Apple’s Black Unity Collection. The collection celebrates Black History Month with a special-edition Apple Watch Black Unity Sport Loop, a mosaic watch face and the new iPhone wallpaper. Apple also plans to release a selection of Black History Month content for Apple TV, Fitness Plus, Music, Maps, Books, Podcasts and the App Store as part of the collection.
New ways to use Emergency SOS via satellite
Emergency SOS via satellite was introduced at Apple’s event in September. In iOS 16.3, the Call with Hold option has been replaced with Call with Hold and Release. If you enable Call with Hold and Release, you can hold the side button and a volume button to initiate a countdown and an alarm. After the countdown, you release the buttons and your iPhone will call emergency services on its own. Before with Call with Hold, pressing the side button and a volume button would first bring up the Emergency SOS call slider. If you continued to hold the buttons, a countdown started and an alarm would go off. After the countdown ended, your phone would make an emergency call.
There’s also an option to Call Quietly in Emergency SOS. By enabling this option, when you try to make an emergency SOS call, your phone won’t start flashing or making an alarm sound.
Here is the list of new features and changes included in iOS 16.3.
- New Unity wallpaper honors Black history and culture in celebration of Black History Month.
- Security Keys for Apple ID 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.
- Support for HomePod (second generation).
- Emergency SOS calls now require holding the side button with the up or down volume button and then releasing in order to prevent inadvertent emergency calls.
- 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 horizontal lines may temporarily appear while waking up iPhone 14 Pro Max.
- 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.
For more iOS 16 news, see what new features were added in iOS 16.2 and iOS 16.1. Here’s how you can sign up to test Apple’s iOS beta software, too.
Technologies
Google I/O 2025: How to Watch and What to Expect
With Android 16 out of the way, Google I/O will certainly be all about AI.

Google I/O 2025 takes place on May 20 and 21 with Google’s big keynote happening on day 1. We expect Big G to talk about its myriad innovations across its ever-expanding portfolio of products — almost certainly with a huge focus on AI every step of the way. If we collectively cross our fingers, promise to be good and eat all our vegetables then we may even be treated to a sneak peek at upcoming hardware.
Read more: Android 16: Everything Google Announced at the Android Show
Google also hosted a totally separate event that focused solely on Android. The Android Show: I/O Edition saw the wrappers come off Android 16, with insights into the new Material 3 Expressive interface, updates to security and a focus on Gemini and how it’ll work on a variety of other devices.
By breaking out Android news into its own virtual event, Google frees itself to spend more time during the I/O keynote to talk about Gemini, Deep Mind, Android XR and Project Astra. It’s going to be a jam-packed event, so here’s how you can watch I/O 2025 as it happens and what you can look forward to.
Google I/O: Where to watch
Google I/O proper kicks off with a keynote taking place on May 20, 10 a.m. PDT (1 p.m. EDT, 6 p.m. BST). It’ll almost certainly be available to stream online on Google’s own YouTube channel, although a holding video is yet to be available. There’s no live link on the I/O website yet, either, though you can use the handy links to add the event to your calendar of choice. Expect links to a livestream to be available closer to the day.
What to expect from Google I/O 2025
Little chat about Android 16: As Google gave Android 16 its own outing already, it’s likely that it won’t be mentioned all that much during I/O. In fact at last year’s event, Android was barely mentioned, while uses of the term «AI» went well over a hundred.
Android XR: Google didn’t talk much about Android XR during the Android show, focusing instead on the purely phone-based updates to the platform. We expected to hear more about the company’s latest foray into mixed-reality headsets in partnership with Samsung and its Project Moohan headset, so it’s possible that this is being saved for I/O proper.
Gemini: With Android being spun out into its own separate event, Google is evidently clearing the way for I/O to focus on everything else the company does. AI will continue to dominate the conversation at I/O, just as it did last year (though hopefully Google can make it more understandable) with updates to many of its AI platforms expected to be announced.
Gemini is expected to receive a variety of update announcements, including more information on its latest 2.5 Pro update which boasts various improvements to its reasoning abilities, and in particular to its helpfulness for coding applications. Expect lots of mentions of Google’s other AI-based products, too, including DeepMind, LearnLM and Project Astra. Let’s just hope Google has figured out how to make this information make any kind of sense.
Beyond AI, Google may talk about updates to its other products including GMail, Chrome and the Play Store, although whether these updates are big enough to be discussed during the keynote rather than as part of the developer-focused sessions following I/O’s opening remains to be seen.
Technologies
You Can Now Buy Nike’s $900 Workout Shoes for Compression and Heating
The Nike Hyperboots, designed to help you warm up and recover from workouts, launched Saturday.

Those workout shoes with compression and heating that Nike and Hyperice showed off at CES 2025 earlier this year weren’t just a concept. The Hyperboot is now available to buy online in North America, so they’re within reach, as long as you’re willing to spend $899.
The high-tops, which Nike and Hyperice call a wearable much like your smartwatch, help your feet warm up before a workout, and then recover after it. The shoes do this with heating and air-compression massage technology, taking the idea of heating pads and compression socks and making them mobile.
«You can definitely feel the heat in here,» CNET former mobile senior writer Lisa Eadicicco said when she had the chance to try these workout shoes on in January. She walked across a demo room in Las Vegas wearing the fancy footwear to test out the compression and heating features.
The boots massage and compress your ankles and feet, and in CNET’s test, we could especially feel the heat around the ankles. Buttons on the shoes let you adjust compression and the amount of heat with multiple settings for each.
«The Hyperboot contains a system of dual-air bladders that deliver sequential compression patterns and are bonded to thermally efficient heating elements that evenly distribute heat throughout the shoe’s entire upper,» Nike said.
The battery lasts for 1 to 1.5 hours on max heat and compression settings, or 8 hours if you’re only using the massage setting. It takes 5 to 6 hours to charge via USB-C cable. The boots come in five sizes: S, M, L, XL and XXL.
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