Technologies
iOS 16.3: Best iPhone Features to Try Now
New features are really what updates are all about.
Apple released iOS 16.3 in January, and the update brought some much needed bug fixes and security updates to make your iPhone run more smoothly. 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.


Security keys add more protection to your device.
Screenshot by Zach McAuliffe/CNET«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 adds support for the second-generation HomePod, which is out now and costs $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 Apple’s 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
Did You Download the White House App? Here Are Its Hidden Security Risks
Cybersecurity researchers have serious concerns about how the app was built.
The White House mobile app has been available for both Android and iOS users for over a week now, and the Trump administration is proudly touting that the app has received 2 million downloads on the White House Instagram page. However, the app’s threats to your personal data, online security and privacy concerns make it something you should think twice about downloading.
The White House announcement says the app’s goal is to deliver «unparalleled access to the Trump administration.» However, there are many security concerns, including location tracking and sketchy features. The White House has not responded to a request for comment.
The big question is, should you download it? I don’t recommend it. Here’s why.
What’s in The White House App?
When I downloaded it soon after its release, the app opened with music and a brief collage video of President Donald Trump. It has pages on affordability, including the prices of things like eggs and milk (but not gas). There’s an overtime calculator. And there are links to articles from Trump’s favored news outlets, like Fox News and Newsmax, along with White House press releases.
The app also features livestreams and videos of press briefings, links to the White House’s social feeds and photos of the president.
Why I deleted The White House app so fast
Behind all those tabs are hair-raising privacy and security issues that have the internet and experts alarmed.
One X user, @Thereallo1026, decompiled the White House app and blogged about it, reporting that the Android app tracks your location as often as every 4.5 minutes and shares a lot of other information, like your notifications and perhaps even your phone number, with a third-party server.
Another red flag is that the code for YouTube embeds comes from a personal GitHub account. Thereallo said that if that GitHub account gets compromised, it can affect every user of the White House’s app.
Another cybersecurity researcher, Atomic Computer Services, posted similar concerns about the iOS app. The researchers found that the app reported to the App Store that it did not collect location data, when in fact it included the capability to do GPS tracking. It’s unclear whether that tracking actually happens, but the code is there, Atomic Computer said.
Other concerns identified by Atomic Computer included the removal of privacy consent banners from third-party content viewed in the app and minimal security protections. «We’ve audited apps for startups with three employees that had better security than this,» Atomic Computer wrote.
Pieter Arntz, a researcher at the cybersecurity software provider Malwarebytes, said in an email to CNET that the White House app relies heavily on third-party sources for things like notifications and widgets.
«In practical terms, that means external providers can influence what data is collected and when features like location‑based messaging are enabled, because much of that logic is configured on their servers rather than baked into the app code itself,» Arntz said. «For a high‑profile government app, the more these decisions sit with outside companies, the harder it is to guarantee strict data‑minimization and full transparency to users about how their information is handled.»
Government-sponsored apps to inform people are commonplace, but this one poses significant risks, experts said. A spokesperson for the Center for Democracy and Technology, which advocates for transparency and privacy in government technology, told CNET that «mobile apps can be a helpful tool for making government more accessible. But this administration has given people a lot of reasons to worry about their privacy, and this app only raises more questions about what the federal government is doing with our personal data.»
For me, this app is a hard pass. I deleted it 10 minutes after downloading it.
Technologies
Amazon Is Pulling Support for Kindles From 2012 or Earlier. What to Do Now
If there’s a book you’ve been waiting to read on your old Kindle device, make sure you download it before May 20.
That Kindle device you’ve been holding onto for 15 years now has an expiration date, as Amazon will end support for Kindle models from 2012 or earlier on May 20. An Australian Kindle user first reported the change before Amazon confirmed the news to PCMag and said it will soon email users in the US.
The books that you already downloaded on your Kindle device won’t disappear after next month, but you won’t be able to connect to the network to buy, borrow or download new ones.
If you still have a book that you want to finish reading on one of these devices, make sure that you don’t deregister the device or do a factory reset. In the email shared by an Australian user on Reddit, Amazon says if you deregister or reset the device, you won’t be able to re-register the device or use it at all afterward.
A representative for Amazon has not yet responded to a request to comment from CNET.
The company also included a promo code in the email for 20% off select new Kindle devices and an ebook credit that’s added to your account after you purchase a new device. However, there’s no word on whether this discount is limited to Australia or if a version will be offered to US users.
Switching devices
Kindle devices released in 2012 or earlier will lose the ability to download books after May 20. The devices that will be affected are:
- Kindle 1st and 2nd Generation
- Kindle DX and DX Graphite
- Kindle Keyboard
- Kindle 4
- Kindle Touch
- Kindle 5
- Kindle Paperwhite 1st Generation
The first-generation model for Kindle was released in 2007, and e-readers have improved a bit in the time since. Amazon told Engadget that fewer than 3% of its users still use these old devices.
In the email to customers, the company said users will still be able to access their Kindle library and the Kindle store using the Android, iOS or desktop app. You can still read and download books by using the Kindle app on your phone or PC.
If this service loss feels like a good time to move on from the Kindle world, there are other e-reader options. Calibre is a free, open-source ebook manager that offers a range of features, like reading and organizing ebooks from multiple sources, as well as downloading news articles and websites.
If you’re looking for a newer Kindle model or a different reading tablet, check out the CNET list for this year’s best e-readers.
Technologies
Overwatch’s Next Hero Is Sierra, but Does That Mean the Rumors Were Wrong?
The new damage hero joins the roster next week, but lore and gameplay details are still under wraps.
After adding five new heroes in February, Overwatch just gave players another look at the new hero coming in season 2 next week. While we didn’t get gameplay details, the new hero trailer revealed that hero 51 is Sierra, and season 2 will be titled Summit.
The game dropped its first look at Sierra last week, and a few details in the new artwork seemed to be in line with expectations that she’s an ally of damage hero Ashe. Ashe’s Deadlock Gang is mentioned in the new trailer, although Sierra is working with Overwatch in trying to stop them. We don’t know yet whether Sierra has ties to other Overwatch heroes and factions.
Alec Dawson, Overwatch’s associate game director, said in February that the next hero would be another damage hero with a «really satisfying skill shot,» which we maybe glimpsed in the trailer when Sierra fires some kind of homing dart onto Emre after he steals something from Watchpoint: Grand Mesa. We also see her use a fully automatic rifle as well as tether to her drone for some aerial maneuvering, which could be hints at the rest of her kit.
While I do love a good skillshot, I also feel like the game has been struggling with damage hero releases over the past year — particularly heroes who have the ability to quickly eliminate someone out of nowhere. The newest damage heroes Anran and Emre didn’t have this problem, but the previous two, Freja and Vendetta, were consistently banned after release because of their quick time to kill, combined with their ability to consistently surprise enemies. I’m hoping Sierra’s skillshot is less bursty.
Even before the art was revealed last week, fans had started to speculate that Overwatch’s season 2 hero would be Frankie, a member of Ashe’s Deadlock Gang. She appeared in the Deadlock Rebels novel by Lyndsay Ely, which follows Ashe and the hero now known as Cassidy early in their outlaw careers. In the book, Frankie makes contact with the two characters by sending them a tiny fly-like drone — perhaps a smaller version of the drone in Sierra’s character art.
Respectfully… y’all aren’t ready for this one 😮💨🔥
Join us Apr 8 at 9am PT for the premiere of our latest Hero Trailer as we kick off the next chapter in the Reign of Talon 💪 pic.twitter.com/1Etxn68tax— Overwatch (@PlayOverwatch) March 31, 2026
The trailer shows Sierra working to stop the Deadlock Gang (who are helping Emre and Freja steal weapons for Talon), but it’s unclear whether Sierra is another character entirely or whether she’s Frankie after taking a different path.
The game’s Reign of Talon season 1 is wrapping up in the next week. The current season kicked off the year-long storyline about Vendetta taking over Talon and also introduced five new heroes into the roster. Devs have promised another new hero each season during the storyline, and today’s hero trailer gives us a few more hints about Sierra.
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