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Locate a Featured Lock Screen Image in Photos

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iOS’s Photo Shuffle wallpaper does a great job of identifying attractive photos for your Lock Screen. However, if you’re like us, you’ll sometimes wonder when or where you took a Lock Screen photo. Here’s how to figure that out. Touch and hold the Lock Screen when it’s displaying the photo in question, tap Customize, tap the Lock Screen wallpaper, tap the ••• button in the lower-right corner, and tap Show Photo in Library. Then you can swipe up to reveal more information about the photo, swipe left and right to see the photos on either side, or pinch to see it in the context of your entire photo library.

(Featured image by Apple)

Social Media: Do you sometimes wonder when or where you took a photo that iOS’s Photo Shuffle wallpaper is displaying on your Lock Screen? Us too, and here’s how to find out more.

Use iOS 17’s Check In Feature to Reduce Worry

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We’ve all had a friend or family member say, “Text me when you get home,” because they want the peace of mind from knowing you arrived safely. But what if something goes wrong—or you forget—so they never receive that text? They’ll be worried and won’t know where you are, if you’re OK, and so on.

In iOS 17, Apple has introduced the Check In feature to provide peace of mind—or in the worst case, to help emergency services. It’s conceptually simple. Before you leave to go somewhere, you create a Check In with someone—call them a safety partner—in Messages. You specify where you’re going and whether you’re driving, taking transit, or walking. Then, when you arrive, the Check In automatically ends, alerting your safety partner that you arrived. If you’re delayed en route, Check In takes that into account and extends the expected arrival time appropriately. If you fail to arrive, Check In shares your location and route with your safety partner. Also, if you make an Emergency SOS call or your iPhone or Apple Watch calls emergency services automatically during the Check In, it notifies your safety partner.

Not all situations revolve around following a specific route to a location, so Check In also supports timers. Perhaps a college student is going for an hour-long trail run and wants a friend to check on her if she’s not back as expected. She can use Check In to set a timer for 1 hour, share it with her friend, and when the timer ends, either tap the End button if she’s back or add more time if the run is going fine but taking longer than expected.

Although Check In may seem targeted at friends and family, it could have business uses as well. For instance, a destination Check In might work well for keeping tabs on a colleague traveling to a make-or-break pitch presentation.

Before you start using Check In with someone—in either direction—explain Check In to them and discuss an appropriate response if you or they fail to end Check In successfully. Responses should probably start with a quick text, followed by a phone call. If initial efforts to reach out are met with silence, contacting other people—friends, family members, neighbors, etc.—may be appropriate. At some point, depending on various factors, it will be time to call law enforcement. Of course, if the other person triggers an Emergency SOS during the Check In, call law enforcement immediately. At least in the US, if the person isn’t in your area, don’t call 911. Instead, find the law enforcement website for where the person is and call that organization’s 10-digit number. And here’s hoping it never comes to that!

Create a Check In

To get started with Check In, follow these steps:

  1. In Messages, open a conversation with the person you want to be your safety partner (Check In doesn’t currently work with group conversations).
  2. Tap the ⊕ button to the left of the message field, tap More at the bottom, and tap Check In.
  3. The first time you invoke Check In, Messages walks you through a series of explanatory screens, one of which is important—the privacy level of the data shared with your safety partner if you don’t arrive. Select Full—we can see almost no reason why you wouldn’t want that person to be able to share your exact location and route with emergency services if something has gone wrong. (If necessary, tweak this setting later in Settings > Messages > Data.)
  4. On subsequent uses of Check In, an unsent card appears in the Messages conversation, usually set for an hour in the future. The card isn’t sent automatically so you can customize it before sending it.
  5. Tap the Edit button to adjust the timer or destination.
  6. To change the timer duration, use the time picker and tap Done. Skip to the last step in this list.
  7. To set a destination instead of a timer, tap “When I arrive” at the top of the screen.
  8. Tap the Change button, and in the map, either search for a location or find one manually by pinching and zooming—touch and hold the map to drop a destination pin. At the bottom of the screen, select Small, Medium, or Large to set the size of the area in which you’ll arrive.
  9. Tap Done to close the map and then select Driving, Transit, or Walking so Check In can estimate your arrival time based on your method of transportation.
  10. If you want additional buffer time, tap Add Time and give yourself 15, 30, or 60 minutes beyond when Check In thinks you’ll arrive. This shouldn’t usually be necessary.
  11. Tap Done.
  12. Once you’re back to the Check In card in the Messages conversation, tap the Send button to start the Check In.

Note that safety partners can’t reject Check In cards.

End a Check In

Once you trigger a Check In, it can end in a few ways. First, you can cancel it before the timer completes or you arrive at your destination. Second, it can end successfully when you tap End when the timer finishes or when you arrive at your specified location. Third and finally, there’s the core purpose of the Check In, which is to alert your safety partner if you fail to respond to a timer or arrive where and when you said you would.

  • Cancel: To cancel a Check In, tap the Details button on the Check In card in Messages, tap Cancel Check In, and agree that you don’t want your safety partner notified. Timer and destination Check Ins look slightly different but act the same way. Your safety partner will only see that the Check In card in Messages says it has ended.
  • End successfully: For a timer Check In to end successfully, you must respond when the iPhone prompts you (below left). All your safety partner sees when that happens is a note in the Check In card that the timer ended (below right). You don’t need to interact with your iPhone for a destination Check In to end successfully—just arrive at the specified location. The safety partner’s Check In card updates to say that you arrived.
  • Check In fails to end (initiator): If you don’t arrive at your destination or fail to tap End when prompted, Check In gives you the option of adding time (below left) but after 15 minutes, tells you that it has alerted your safety partner (below center and right).
  • Check In fails to end (safety partner): More interesting is what your safety partner sees if you fail to complete a Check In. They’ll be alerted and can tap Details to see your location, when your devices were last unlocked, and more. They then have to figure out the best way to respond given your setup conversation.

It can take some practice to become fluid with Check In, so it’s worth testing it in everyday situations before using it when it might really matter. Once you use it a few times, you may notice Siri Suggestions offering to start it for you, making it even easier to initiate regularly. We hope you find that it provides some peace of mind and, in the worst-case scenario, helps someone in need of emergency services.

(Featured image by iStock.com/PeopleImages)

Social Media: The new Check In feature of iOS 17 can provide peace of mind by letting you specify a safety partner who will automatically be notified if you fail to arrive at your destination or complete a timer.

Forget Your Just-Changed Passcode? iOS 17’s Passcode Reset Has Your Back

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The hardest time to remember your iPhone or iPad passcode is right after you’ve changed it. Generally speaking, there’s no reason to change your passcode, but if you inadvertently or intentionally shared it with someone with whom you wouldn’t trust your bank account information, changing it to something new is a good idea. We could also imagine a child who knows your passcode changing it on you as a prank. For whatever reason, if you can’t enter your new passcode, a new iOS 17 feature called Passcode Reset lets you use your old one for 72 hours. Once you’ve tried the wrong passcode five times, tap Forgot Passcode ➊, enter your old passcode ➋, and create a new one ➌. If you’re certain you know the new one, you can expire the old one sooner in Settings > Face ID/Touch ID & Passcode.

(Featured image by iStock.com/NazariyKarkhut)

Social Media: If you change your passcode and can’t remember it (or it was changed for you by a prankster), iOS 17 lets you use your old passcode for 72 hours. It’s a helpful backstop for the results of a memory lapse or mischievous child.

Apple Announces iPhone 15 Lineup, Apple Watch Series 9, and Apple Watch Ultra 2

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September is here, and with it, Apple’s latest iPhones and Apple Watches. At its Wonderlust event on September 12, Apple threw back the curtains on the new iPhone 15 lineup, Apple Watch Series 9, and Apple Watch Ultra 2. These devices all provide incremental improvements that make them attractive to people planning to purchase a new iPhone or Apple Watch, though they may not be irresistible upgrades for those still happy with older models. You can pre-order any of them starting September 15, with delivery and in-store availability on September 22.

Alongside the announcement, Apple revealed that iOS 17, iPadOS 17, watchOS 10, tvOS 17, and HomePod Software 17 will become available on September 18, with macOS 14 Sonoma arriving on September 26. Wait a week or two before installing this first batch of updates on essential devices to avoid any last-minute bugs, and hold off on Sonoma for a few months or until you’re confident your necessary Mac apps are compatible. Regardless of when you upgrade, make a backup right before in case an unexpected problem forces you to erase and restore.

Let’s look at each of the new products.

iPhone 15 Lineup

Last year, Apple moved to a four-part iPhone lineup that continues this year, with the 6.1-inch iPhone 15 and the 6.7-inch iPhone 15 Plus. On the high end, we get the iPhone 15 Pro and iPhone 15 Pro Max, again in those 6.1-inch and 6.7-inch sizes. The company updated the industrial design with slightly contoured corners. The iPhone 15 models come in five pastel colors with an aluminum enclosure and color-infused back glass, whereas the iPhone 15 Pro models now boast a titanium enclosure in four colors.

Along with the updated industrial design, all the iPhone 15 models share three notable changes:

  • USB-C for charging and data transfer: Driven by new European Union regulations, the iPhone 15 models all trade their Lightning port for a USB-C jack. Although it will be annoying to keep both Lightning and USB-C cables around until all Lightning devices have aged out, many Apple users already have USB-C cables and chargers for iPads and MacBooks.
  • Roadside Assistance via satellite: This extension of Emergency SOS via satellite allows anyone experiencing vehicle difficulties in a cellular dead zone to get help using satellite messaging. Apple includes access to satellite services for 2 years, and AAA membership in the US includes the roadside service. Those who aren’t AAA members will be able to purchase service separately.
  • Better Precision Finding: The iPhone 15 and new Apple Watch models all have a second-generation Ultra Wideband chip that lets users employ Precision Finding in the Find My app to locate each other accurately at a much greater range. Apple suggests you can use it to find iPhone 15-equipped friends in a crowd.

Although the iPhone 15 and iPhone 15 Plus aren’t as technologically capable as their Pro siblings, they’re more interesting than the iPhone 14 models they supplant. They receive increased performance thanks to the A16 Bionic chip from the iPhone 14 Pro, and the chip also enables computational photography improvements on top of a new 48-megapixel camera. Also inherited from the iPhone 14 Pro is the Dynamic Island, which displays alerts and Live Activities in the area surrounding the camera and sensor package at the top of the screen, eliminating the need for a notch.

Even though there’s more new on the Pro end, the iPhone 15 Pro and iPhone 15 Pro Max don’t make as significant a jump from their iPhone 14 Pro predecessors. The change everyone will notice is the new Action button that replaces the Ring/Silent switch. You can press and hold it to put an iPhone 15 Pro into silent mode or redefine it to activate Voice Memos, set Focus modes, access the camera or flashlight, enable Accessibility options, or launch a Shortcut. 

The 48-megapixel main camera gains additional computational photography capability thanks to the new A17 Pro chip underpinning the iPhone 15 Pro models, but the most noteworthy enhancement is restricted to the iPhone 15 Pro Max. A tetraprism design enables its Telephoto camera to achieve a 5x optical zoom, an unprecedented capability available only for photographers who don’t mind the 6.7-inch form factor.

Several other improvements are technically impressive but likely of interest and utility only to media professionals. The iPhone 15 Pro’s USB-C port supports USB 3 transfer speeds up to 10 gigabits per second (the iPhone 15 is limited to USB 2.0’s pokey 480 megabits per second), and support for Wi-Fi 6e will enable faster wireless transfers. Both will be welcome to those transferring large image, audio, or video files.

Pricing remains basically the same, with the iPhone 15 and iPhone 15 Plus starting at $799 and $899 for 128 GB of storage, with 256 GB and 512 GB options. The iPhone 15 Pro costs $999 for 128 GB, with 256 GB, 512 GB, and 1 TB storage options. The iPhone 15 Pro Max is $1199 for 256 GB, with 512 GB and 1 TB storage options. If those prices are too steep for your budget, the iPhone SE ($429), iPhone 13 ($599), and iPhone 14 ($699) all remain for sale.

It might be worth upgrading from an iPhone 14 to an iPhone 15 for the 48-megapixel camera and Dynamic Island, but it’s harder to recommend an upgrade from an iPhone 14 Pro unless you find the 5x Telephoto camera indispensable. Otherwise, the older your current iPhone, the more you’ll be impressed by the new models.

Apple Watch Series 9 and Apple Watch Ultra 2

Last year brought the release of the beefy Apple Watch Ultra, so it wasn’t surprising that Apple gave us the Apple Watch Ultra 2 this year alongside the Apple Watch Series 9. They have no industrial design changes, and their improvements are driven by the increased performance and efficiency of Apple’s new S9 SiP (a package containing multiple chips).

Most notable among the changes is a new double tap gesture, which relies on the S9’s faster Neural Engine to detect when your index finger and thumb perform a double tap. watchOS 10 interprets the gesture as activating the primary button in an app, so it can be used to answer or end a phone call, stop a timer, play and pause music, snooze an alarm, take a photo, or open and scroll through the new watchOS 10 Smart Stack from the watch face. It will be available next month. 

Other S9-driven improvements include:

  • Brighter displays: The Apple Watch Series 9 can now display up to 2000 nits, and the Apple Watch Ultra 2 can go up to 3000 nits, making them more readable in bright sunlight.
  • On-device Siri: Siri requests that don’t require information from the Internet can now be processed on the Apple Watch locally, making Siri more helpful for starting workouts or setting timers when there’s no cellular or Wi-Fi connectivity.
  • More capable and accurate Siri: You can now use Siri to access Health data such as sleep hours, Activity ring progress, and more. Plus, you can use Siri to log health data such as weight, period, or medications taken. These capabilities will be available later this year. Apple also claims 25% more accurate dictation.
  • Precision Finding and HomePod integration: The second-generation Ultra Wideband chip in the S9 enables the Precision Finding feature that can direct you to a lost iPhone 15 rather than just playing a sound. Also, when you get close to a HomePod, the Apple Watch provides media controls or offers media suggestions in the Smart Stack.

Finally, both the original Apple Watch Ultra and the new model gain a new Modular Ultra watch face that uses the outermost edge of the large display to present real-time data like seconds, altitude, or depth.

The Apple Watch Series 9 starts at $399 for a 41mm aluminum GPS-only model; 45mm models are $30 more, and cellular connectivity adds $100. It’s available in pink, midnight, starlight, silver, and PRODUCT(RED). In stainless steel, pricing starts at $699 for a 41mm model and includes cellular connectivity; the 45mm models are $50 more. Some textile bands and all stainless steel bands cost an additional $50 to $300. The Apple Watch Ultra 2 remains $799 with an Alpine Loop, Trail Loop, or Ocean Band.

While undoubtedly the most capable watches Apple has ever produced, these new models don’t offer enough new to warrant an upgrade from last year’s models. They’re great for those getting started with the Apple Watch or upgrading from a much older version. Don’t forget that Apple still sells the Apple Watch SE, which lacks the Always-On display and ECG capabilities of the Series 9 but is $150 less expensive. Apple’s comparison page can help you tease out the differences.

(Featured image by Apple)

Social Media: At its Wonderlust event, Apple introduced the iPhone 15 lineup, the Apple Watch Series 9, and the Apple Watch Ultra 2. For the most part, they’re incremental upgrades, making them most compelling to those upgrading from much older devices.

With Storms Increasing, Protect Your Tech Gear from Damaging Power Fluctuations

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It has been a tough year for extreme weather events. While the connection between weather and technology may seem tenuous, heat waves, high winds, and lightning strikes can play havoc with all sorts of powered and networked electronic devices.

Anything that causes power fluctuations—spikes, surges, sags, brownouts, and blackouts—can hurt your tech gear. Protecting your most vulnerable devices doesn’t have to be expensive, but don’t be complacent because you plug your Mac into a cheap surge protector you’ve had since college. And note that many power strips offer no surge protection at all.

First off, why are power fluctuations problematic? There are two scenarios:

  • Too little power: Sags and brownouts are drops in voltage; a sag is a short-term dip, whereas brownouts last longer. Blackouts are complete power outages. Although they’re less damaging than surges, sags and brownouts can cause electronic devices to behave erratically or crash, and the fluctuation in voltage—particularly when coming back from an outage—can stress components. Losing power entirely will cause you to lose any unsaved work and possibly end up with document or even drive corruption.
  • Too much power: Spikes and surges are sudden, brief increases in voltage; the difference is that spikes are shorter than surges. Either way, the excessive power can degrade or damage sensitive electronic components, reducing lifespan or causing immediate failures.

The best solution to these scenarios is an uninterruptible power supply (UPS). Put simply, a UPS is a big battery into which you plug your Mac and other peripherals. It then plugs into a wall outlet and monitors the incoming power. If the power surges, falls below a certain threshold, or fails outright, the UPS switches the power source to its internal battery. This happens so quickly that your Mac never even notices.

If your gear is plugged into a UPS when a blackout hits, you get some time to save your work and shut down gracefully, ensuring that you don’t lose data or flirt with drive corruption. A UPS also protects against spikes and surges, filtering out the excess voltage so it can’t harm the devices plugged into it. The downsides to UPSes are that they’re an extra expense, their batteries need replacing every few years, and they take up space under your desk. For a home or small office UPS, consult Wirecutter’s recommendations. For larger installations, contact us.

If power outages are rare in your location, you may prefer to rely on a surge protector instead of a UPS. As the name implies, surge protectors filter out voltage spikes and surges so they won’t damage your gear. Surge protectors are smaller and less expensive than UPSes, and while they don’t have batteries to fail, their protection circuitry degrades over time, so they should be replaced every few years as well. Better surge protectors alert you or stop working entirely when they can no longer provide protection. Again, Wirecutter has good recommendations.

If most of your expensive tech gear is battery-powered, you could forgo even a surge protector. Outages aren’t an issue, and a MacBook or iPhone power adapter will protect against most sags, brownouts, spikes, and surges. The power adapter may incur damage, but it’s inexpensive to replace.

One final thought. No UPS, surge protector, or power adapter can protect against a direct lightning strike. Lightning is too fast and too powerful—it’s millions or even hundreds of millions of volts. Even turning your equipment off isn’t sufficient because lightning that has traveled miles through the air to hit the ground can easily jump across an open switch. If lightning strikes are common in your area, unplug your most expensive devices entirely during severe storms.

To sum up:

  • For a desktop Mac and peripherals, a UPS is a worthwhile investment if you ever suffer from power outages. Also, consider a UPS for essential networking gear—cable modems, routers, switches, and network-attached storage.
  • If power outages are extremely rare, or for equipment that doesn’t need to remain on during an outage, get a good surge protector. If it doesn’t automatically disable itself when it’s no longer effective, write the date on the bottom and replace it in a few years.
  • Although there’s no harm in doing so, it’s not necessary to plug battery-powered device chargers into a surge protector or UPS. A spike or surge may damage them, but they’ll probably sacrifice themselves to protect your gear.
  • When in doubt during severe storms, unplug your most valuable equipment to protect against a direct lightning strike.

(Featured image by iStock.com/HardRockShotz)

Social Media: How can you protect your tech gear from unexpected power fluctuations? A UPS is best in some scenarios, but a not-too-old surge protector is often sufficient.  You can also let your Apple chargers do their job without worrying about what they are plugged into.

Keep Your Apple Devices Cool in the Summer Heat

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June 2023 was the hottest month on record for the planet, at least until July 2023. Among the many ill effects of such heat are what it does to iPhones, iPads, Macs, Apple Watches, and other digital devices. Excessive heat shortens the overall lifespan of lithium-ion batteries and increases the likelihood of both transient errors and hardware failures—iPhones warn you when they’re getting too hot because of these issues. Apple recommends using nearly all its devices in conditions no hotter than 95ºF/35ºC and storing them in locations that don’t exceed 113ºF/45ºC. (The exception is the adventurous Apple Watch Ultra, which can be worn in temperatures up to 130ºF/55ºC.) The most common place to avoid is a car parked in the sunshine on a hot day, which can easily exceed 130ºF within an hour and rise from there. So don’t leave your iPhone in the car during an afternoon at the beach!

(Featured image by iStock.com/Jorge Garcia Argazkiak)

Social Media: As many parts of the world struggle with record heat waves, remember that excessive heat—operating temperatures over 95ºF/35ºC—is harmful to portable electronic devices like the iPhone, iPad, and Apple Watch. Keep your digital friends cool!

How to Protect Your Child’s Hearing from Too-Loud Headphone Audio

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Loud sounds are harmful to everyone, and many parents worry that their children are at risk for hearing loss due to too-loud headphone audio from iPhones and iPads. To lower the likelihood of this happening, Apple provides a Reduce Loud Sounds option in Settings > Sounds & Haptics > Headphone Safety for both iOS and iPadOS. Select it and set a limit, with 80–85 decibels generally considered safe. To keep kids from increasing the limit, go to Settings > Screen Time and set a Screen Time passcode. Then navigate into Content & Privacy Restrictions, enable the switch at the top, and then scroll down and set Reduce Loud Sounds to Don’t Allow. After that, the headphone output from all apps will be capped at the decibel level you specified.

(Featured image by iStock.com/Ivan Zhdanov)

Social Media: Too-loud headphone volume causes hearing loss, but Apple makes it easy to reduce loud sounds played through headphones and prevent kids from bypassing the volume limits.

Look Up Apple Device Details in Mactracker

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It’s difficult for even those who work with Apple devices daily to remember all the details. What processors were available with the 2020 iMac? What resolutions did the Apple Thunderbolt Display support? What are the differences between the fifth and sixth generations of the iPad mini? To find the answers to these and many other questions quickly, turn to Ian Page’s free Mactracker app, an indispensable repository of information about Apple products. Versions are available for the Mac and the iPhone and iPad.

(Featured image based on an original by iStock.com/Shahid Jamil)

Social Media: If you ever need to look up technical details about an Apple product, look no further than the Mactracker app, which provides specifications for every Mac, iPhone, iPad, and iPod ever made. It’s an indispensable free download.

Use the Hidden Album in Photos to Hide Private Images

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We’ve recently heard from people who have been embarrassed when they gave their iPhone to someone to swipe through some innocuous photos of a vacation, only to have the person swipe too far and end up at some NSFW (not safe for work) images. Ouch.

Embarrassment might be low on the list of problems such photos could cause. It’s not hard to imagine a male supervisor innocently sharing photos with a female employee but ending up embroiled in a sexual harassment situation if she were to stumble across the kinds of NSFW photos that regularly land politicians in hot water.

It’s safest to avoid taking NSFW photos to start, especially if the iPhone is a work-managed device. If that’s unrealistic, we recommend deleting any NSFW images from the iPhone as soon as feasible. A third option may be the best solution in the modern world—the Hidden album Apple provides in the Photos app on the iPhone, iPad, and Mac. On the iPhone and iPad, you’ll find it with other albums in the Utilities collection. On the Mac, it appears in the sidebar under Photos. (If you don’t see it, you may have hidden it—we explain how to unhide it below.)

There are four essential things to know about the Hidden album:

  • You don’t add photos to the Hidden album by dragging or using an Add to Album option. Instead, you choose Hide from a contextual menu. On the iPhone and iPad, touch and hold a photo (or a set of selected photos) and tap Hide in the menu that appears. Or tap the ••• button and choose Hide. On the Mac, select one or more photos, Control-click them, and choose Hide X Photos. To remove a photo from the Hidden album, use the same approach with the Unhide command.
  • Unlike regular albums, whose photos also appear in All Photos, photos in the Hidden album won’t appear anywhere else, including in searches. That’s the point of the feature.
  • You can hide or show the Hidden album on each of your devices independently. On the iPhone and iPad, control whether it shows up in the Utilities album collection with Settings > Photos > Show Hidden Album. In the Photos app on the Mac, control whether it appears in the sidebar using View > Show/Hide Hidden Photo Album. Obviously, if you’ve hidden the Hidden album, you must show it to look inside.
  • If you use the Hidden album, we strongly recommend protecting it (and the Recently Deleted album) with Face ID or Touch ID so only those with biometric access to your device can view it. On the iPhone and iPad, enable Settings > Photos > Use Face/Touch ID (see above). On the Mac, go to Photos > Settings > General and select “Use Touch ID or password.” Again, these settings are per-device, so what you set on the iPhone won’t automatically carry over to other devices. But really, turn it on everywhere.

Overall, the Hidden album is a welcome feature, and if you have any photos that could embarrass you if someone were to stumble across them, put them in the Hidden album and turn on the biometric protection.

(Featured image based on an original by iStock.com/AlexZabusik)

Social Media: Although it’s safest to keep all NSFW images off your iPhone entirely, if you have photos that could be embarrassing or legally troublesome if the wrong person were to stumble across them, protect them using the Hidden album in Photos.

AirNow and Paku: Two Helpful Apps for Monitoring Air Quality

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Smoke from wildfires is causing significant air quality problems for much of Canada and the US. It’s important to check the Air Quality Index (AQI) before spending a long time outside, and that’s especially true for sensitive populations (children, the elderly, anyone with asthma or other breathing issues) and for those exercising outdoors. Although numerous weather apps report air quality, their data can vary widely. Instead, turn to the official AirNow app published by the US Environmental Protection Agency. It provides the canonical AQI readings, and its Fire & Smoke Map lets you see where the smoke is and how that relates to air quality. (The AirNow website provides the same tools on a Mac, plus a lot of helpful background information.) For hyperlocal readings, check the PurpleAir network of inexpensive air monitors. PurpleAir’s website works in Safari on the iPhone, but the Paku app also provides iPhone widgets and Apple Watch complications showing the AQI from nearby monitors.

(Featured image by iStock.com/Daniiielc)

Social Media: With wildfire smoke causing air quality problems throughout North America, it’s important to check the Air Quality Index before spending a long time outside, particularly for exercise. We recommend the AirNow and Paku apps for the iPhone.