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Download iOS 16.4 on Your iPhone: What to Know Before Updating

Features include 21 new emoji, voice isolation for better phone call quality and more.

This story is part of Focal Point iPhone 2023, CNET’s collection of news, tips and advice around Apple’s most popular product.

Apple has released iOS 16.4 for the iPhone. The latest iOS software update adds several new features, like 21 new emoji (including shaking face, light blue heart and donkey) and a voice isolation feature for cellular phone calls, which blocks out ambient noises to make your voice clearer.

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iOS 16.4 also adds Safari-based push notifications, duplicates album support for the iCloud Shared Photo Library, crash-detection optimizations for the iPhone 14 series, VoiceOver support for maps in the Weather app, bug fixes, security updates and more.

Read on for a step-by-step guide to the process of putting iOS 16.4 on your compatible iPhone. You can also check out some of the best existing features on iOS 16 and a few hidden features we were surprised to find. And if you recently got a new iPhone, here are the best iPhone 14 cases so far

Before you start, is your iPhone even compatible?

Not every iPhone will receive the iOS 16.4 update. You need at least an iPhone 8, which was released back in 2017, to run iOS 16. That also includes the iPhone X, iPhone 11, iPhone SE (second generation and up) and the new iPhone 14

iPhone 14 Pro and iPhone 14 Pro MaxiPhone 14 Pro and iPhone 14 Pro Max

The iPhone 14 comes preinstalled with iOS 16.

James Martin/CNET

Next, back up your iPhone

Getting your hands on new software can be exciting, but there are precautions you should take before updating. You may not be happy with some of the features that iOS 16.4 has to offer (although you can fix some of the most annoying ones), so you need to be able to downgrade back to an earlier version of iOS 16 for whatever reason — and that requires you to back up your iPhone before you update.

By default, your iPhone should back itself up every time it’s connected to power and Wi-Fi during your regular sleep hours. However, if this backup feature is disabled, you can go to Settings > Your Name > iCloud > iCloud Backup and then hit Back Up Now to back up your device.

Backup page on iPhoneBackup page on iPhone

You can (and should) also back up your iPhone on your Mac.

Screenshot by Nelson Aguilar/CNET

Additionally, you can back up your iPhone via Finder on your Mac. Simply connect your device to your computer, open Finder, choose your device and then create a backup. Apple also recommends archiving your backup, so that it’s not overwritten by other backups.

Also, make sure to do these three things

You want the download and installation process to go as smoothly as possible, and the best way to do that is to do the following:

  • Make sure your iPhone is connected to power. You won’t be able to download iOS 16.4 if you’re under 50% battery, so it’s best to just plug in your phone while you update. And even when you’re plugged in, the battery needs to be over 20%.
  • Connect to Wi-Fi. You also won’t be able to download iOS 16.4 with cellular data, so connect to a stable Wi-Fi network.
  • Clear up enough storage space. If you’re running out of storage, you’ll need to clear some up before you can download and install iOS 16.4. Go to Settings > General > iPhone Storage to delete large files and apps.

Here’s our guide on how to get more iPhone storage.

How to download and install iOS 16.4

Now once you have all that set, open your iPhone and go to Settings > General > Software Update, wait a few seconds (or minutes) for the update to appear and then hit Download and Install for iOS 16.4.

iOS 16.4 download pageiOS 16.4 download page

You can also use Finder on your Mac to download iOS 16.4 on your iPhone.

Nelson Aguilar/CNET

You should then see a loading bar, along with a rough estimate of how long the download process will take. Once the download is complete, reboot your device and wait for iOS 16.4 to install. When your iPhone boots up, follow any prompts and you should then see iOS 16.4 downloaded on your device.

For more on the new OS, here’s a look at our iOS 16 cheat sheet and some of the most annoying features and settings on iOS 16 (and how you can fix them).

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Technologies

Today’s NYT Mini Crossword Answers for Saturday, May 17

Here are the answers for The New York Times Mini Crossword for May 17.

Looking for the most recent Mini Crossword answer? Click here for today’s Mini Crossword hints, as well as our daily answers and hints for The New York Times Wordle, Strands, Connections and Connections: Sports Edition puzzles.


Today’s NYT Mini Crossword has a goofy shape, but it’s pretty easy to solve. 6-Down mystified me, but the other answers helped me fill it in. Need some help with today’s Mini Crossword? Read on. And if you could use some hints and guidance for daily solving, check out our Mini Crossword tips.

The Mini Crossword is just one of many games in the Times’ games collection. If you’re looking for today’s Wordle, Connections, Connections: Sports Edition and Strands answers, you can visit CNET’s NYT puzzle hints page.

Read more: Tips and Tricks for Solving The New York Times Mini Crossword

Let’s get at those Mini Crossword clues and answers.

Mini across clues and answers

1A clue: «Link in ___» (promotional catchphrase on social media)
Answer: BIO

4A clue: They’re ground in a coffee grinder
Answer: BEANS

6A clue: Bike riders’ headwear
Answer: HELMETS

8A clue: Variety of tomato whose name is also a meat
Answer: BEEFSTEAK

10A clue: Shoe spec that describes this puzzle?
Answer: EXTRAWIDE

11A clue: «Cha-ching, nothin’ to it!»
Answer: EASYMONEY

Mini down clues and answers

1D clue: Church spot where bats hang out
Answer: BELFRY

2D clue: The first three words of «Green Eggs and Ham,» straight from the narrator
Answer: IAMSAM

3D clue: Boxing punch combo
Answer: ONETWO

4D clue: Purple slices in a salad
Answer: BEETS

5D clue: Oktoberfest glass
Answer: STEIN

6D clue: Prefix with decimal, in coding
Answer: HEXA

7D clue: One-named hit singer with 1985’s «Smooth Operator»
Answer: SADE

8D clue: Spelling ___
Answer: BEE

9D clue: Paper with the answers
Answer: KEY

How to play more Mini Crosswords

The New York Times Games section offers a large number of online games, but only some of them are free for all to play. You can play the current day’s Mini Crossword for free, but you’ll need a subscription to the Times Games section to play older puzzles from the archives.

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Technologies

I’m Putting Apple AirTags in Every Suitcase I Own, and They’re on Sale Now at Amazon

I track everything from keys to cars using Apple AirTags. And now that you can get a four-pack for almost $20 off at both Amazon and Best Buy, it’s a good time to stock up.

I knew something was wrong as I stood at the baggage carousel after a return flight from France and my trusty rolling suitcase was nowhere to be seen, even as my fellow passengers collected their bags one by one. My suitcase never did drop onto the carousel that day.

However, I knew there was no reason to panic. Before handing over my suitcase at check-in at the Charles de Gaulle Airport, I had tucked a sophisticated little tracking device into it. So, with just a few taps on my iPhone, I could see that my bag had apparently never left Paris. (Merde!)

Over the years, I’ve come to rely on Apple’s AirTags to keep track of just about all my easy-to-lose valuables. They’re not only good for suitcases; I also use them to track keys, bikes and even my car. I tell everyone who will listen that you can never have too many of these handy devices. That’s why I think it’s worth taking full advantage of sales at both Amazon and Best Buy that slash the price of a four-pack of AirTags down to $80.  

Here’s how the Apple AirTag that was in my suitcase on that fateful trip works. It uses an ingenious method of tracking itself, detecting its location from nearby iPhones and using them to anonymously piggyback the coordinates to a secure server where I could look it up on my iPhone. Until just a few years ago, this would have seemed like a scene straight out of a spy movie.

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Instead of wondering if my belongings were stuck on an abandoned luggage cart or strewn across the tarmac, I could see in almost real time that my suitcase was still chilling at Charles de Gaulle airport in Paris. I was able to calmly tell the airline my bag didn’t make the flight, and it made arrangements to have it delivered to me a few days later.

Apple AirTags are all about peace of mind

By itself, an AirTag isn’t much. A 1.26-inch smooth round puck that looks like a glossy white breath mint, it sinks to the bottom of a bag or dangles from a key chain (with a compatible key ring, sold separately). It’s meant to disappear.

Activating the AirTag was a simple process of pairing with my iPhone. And then, because it obviously doesn’t really do anything out of the box, I forgot about it.

But the next time I couldn’t find my keys? Sorcery. My iPhone didn’t just tell me they were somewhere nearby — it walked me directly to them, thanks to the AirTag’s built-in Ultra Wideband chip. Suddenly, all that time I’d spent retracing my steps and overturning couch cushions in the past felt like ancient history.

Now I have AirTags in or attached to every significant item I’d want to keep track of: My everyday laptop bag, my camera backpack, the suitcase I use most when traveling, my key chain, my car and a smaller sling bag I take on walks. I can pull up the Find My app on any of my Apple devices (or sign in to iCloud on any web browser) and see where my items are and the last time the AirTags registered their locations.

AirTags aren’t just for my everyday items. People I know in the movie business tell me that AirTags are tossed into nearly every bag and Pelican crate, not solely to ensure that the valuable equipment inside doesn’t walk away but to quickly differentiate equipment amid similar looking containers. Some of my friends also attach AirTags to their pets’ collars (though experts say there are better ways to track pets).

AirTags are also useful for things that you want to keep close by

Being able to detect my luggage a continent away provided a sense of relief, to be sure. But at the local level, my AirTags will also trigger an alert when I get too far away from them. For example, if I accidentally forget my camera bag in the car when I stop somewhere for lunch, a Find My notification appears telling me I’ve left it behind. It works the same for newer AirPods models as well.

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Sharing is now a big part of AirTag tracking

My family has two cars, and I wanted to be able to track them both. But it used to be inconvenient to pair the AirTag in the car my wife drives to her iPhone (and the one in my car to my iPhone).

To guard against unwanted tracking, an AirTag will notify nearby iPhones of its existence, so whenever I drove my wife’s car without her in it, I got a notification that an AirTag was traveling with me. (If the owner is near the AirTag, the alert does not appear.)

However, ever since the release of iOS 17, AirTags are shareable, which solves this problem. I shared my AirTag with my wife, and she with me, so regardless of which car I’m driving, I can find it more easily in a crowded parking lot without getting constant, unnecessary alerts.

A new feature to AirTags that arrived with iOS 18.2 is the ability to temporarily share an AirTag’s location with someone I trust. In my luggage example above, if the suitcase was in the airport with me, but the airport’s staff hadn’t yet been able to locate it (not uncommon during peak travel times), I could share its location with an attendant who could quickly retrieve it from areas inaccessible to the public.

Apple AirTag specs

  • Diameter: 1.26 inches (31.9 mm)
  • Height: 0.31 inches (8 mm)
  • Weight: 0.39 ounces (11 g)
  • Splash, water and dust resistance: Rated IP67 (maximum depth of 1 meter up to 30 minutes)
  • Connectivity: Bluetooth 5.0
  • Battery: Replaceable CR2032 coin cell battery

The only minor annoyance about AirTags

An AirTag includes Bluetooth, the U1 Ultra Wideband chip and an NFC chip to share basic details when it’s in Lost Mode. That’s all powered by a CR2032 coin cell battery, which in my experience lasts roughly a year before I need to replace it.

I get notified when a battery is starting to get low, although there’s no gauge to see how much is left until it goes into the red. And it’s easy to change batteries. But my small fleet of AirTags means I need to swap multiple ones each year. I buy them in packs of 20 that I slowly work through.

AirTags also make great gifts

Apple AirTags consistently appear in our gift guides throughout the year because you can always find another use for one. They’re often reduced in price when sold in packs of four. And there’s an ever-growing ecosystem of ways to mount them, from sturdy vaults that adhere to a car to discrete fabric holders that will keep your favorite classic bomber jacket from flying away. Whenever I show someone how I use AirTags on a bag or keychain, I kind of wish I had a pocket of AirTags to hand out because once someone sees how it works, they’re sold.

Looking to save on more things that’ll make your life easier? Check out our roundup of all the best early Memorial Day deals going on now. We’ve also gathered all the best AirTag accessories of 2025 from across the web so you can get the most use out of them.

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