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5 Things to Know About the iOS 15.7.3 Update

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Apple’s pushed a new iOS 15.7.3 update to select iPhone models and the software brings some important changes to the devices that are stuck on the operating system.

iOS 15.7.3 is compatible with older iPhone models that remain on iOS 15. The list includes the iPhone 6s, iPhone 6s Plus, iPhone SE, iPhone 7, and iPhone 7 Plus.

The software’s not available for the iPhone 8, iPhone 8 Plus, iPhone X, iPhone XS, iPhone XS Max, iPhone XR, iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPhone SE 2, iPhone SE 3, iPhone 12 mini, iPhone 12, iPhone 12 Pro, iPhone 12 Pro Max, or iPhone 13 series. These devices were all upgraded to iOS 16.

Like the previous version of iOS 15, iOS 15.7.3 is a point upgrade. It’s a small release focused on fixing security issues. With that in mind, we want to take you through everything you need to know about Apple’s latest iOS 15 update for the iPhone.

In this guide we’ll walk you through iOS 15.7.3’s changes, the software’s performance, iOS 15.7.3 problems, the iOS 15.7.3 jailbreak status, and more. We’ll start with some quick thoughts on iOS 15.7.3’s performance.

iOS 15.7.3 Review

If your iPhone 6s, iPhone 6s Plus, iPhone SE, iPhone 7, or iPhone 7 Plus is currently running iOS 15.7.2, you’ll see the smallest iOS 15.7.3 download size.

The exact size of the iOS 15.7.3 download depends on your iPhone model and the version of iOS it’s currently running. If your iPhone is running an older version of iOS, you may see a bigger download because your update comes with the changes from the updates you skipped.

If you’re moving up from iOS 15.7.2, the installation process should take 10 minutes or less to complete. It took about six minutes to install on an iPhone 7.

We’ve been using iOS 15.7.3 on an iPhone 7 for a few days now and here’s what we’ve learned about the software’s performance thus far:

Connectivity

  • Battery life is stable.
  • Wi-Fi connectivity is fast and reliable.
  • Bluetooth is working normally.
  • GPS and cellular data are both stable.

App Performance

  • Third-party apps including Netflix, Dark Sky, Twitter, Slack, Asana, Gmail, Chrome, and Spotify are working fine at the moment.
  • First party apps like Safari and Podcasts are also stable.

Speed

  • iOS 15.7.3 feels as fast as iOS 15.7.2.

If your iPhone has been plagued with bugs and/or performance issues on iOS 15.7.2 or an older version of iOS 15, you might want to install the iOS 15.7.3 update on your iPhone today.

If you need help making a decision, check out our reasons to, and not to, install the iOS 15.7.3 update on your iPhone right now.

iOS 15.7.3 Problems

The iOS 15.7.3 update is causing problems for some iPhone users. Some of these problems are brand new while others have carried over from older versions of iOS.

The current list of iOS 15.7.3 problems includes abnormal battery drain, installation issues, Wi-Fi problems, Bluetooth issues, UI lag, issues with Touch ID, and issues with first and third-party apps.

If you run into a problem on iOS 15.7.3, have a look at our list of fixes for the most common iOS 15 problems. We’ve also released some tips that could help you improve your phone’s performance and some tips that could help you fix bad iOS 15 battery life.

Apple stopped signing on iOS 15.7.2 which means you can’t move your iPhone’s software back to the previous version of iOS 15 if iOS 15.7.3 starts causing problems. You can’t downgrade to anything older than iOS 15.7.2 either.

Keep this in mind if you’re having a good experience on iOS 15.7.2 or older. Once you make the move to iOS 15.7.3, you won’t be able to get back.

For more on the downgrade process, check out our guide.

iOS 15.7.3 Features

Apple’s most recent point upgrades (x.x.x) have been focused on patching up security issues and that’s exactly what iOS 15.7.3 brings to older iPhones.

The official change log notes the update brings important security patches to iPhone users and you can learn more about those over on Apple’s security site.

iOS 15.7.3 doesn’t have any known features or bug fixes on board.

iOS 15.7.3 Jailbreak

Developers have finally released a tool that’s compatible with iOS 15 and iOS 16, but it only works with select iPhone models.

The new palera1n jailbreak is based on checkm8 and it works with all versions of iOS between iOS 15.0 and iOS 16.2. Currently, it only works with iPhone 8, iPhone 8 Plus, and iPhone X.

There aren’t a ton of tweaks available yet and there are some caveats, but at least a jailbreak option is now available to those who still love to jailbreak.

What’s Next

It’s unclear if iOS 15.7.3 will be Apple’s final version of iOS 15. Apple could choose to push additional versions of iOS 15 later this year, but that hasn’t been confirmed.

Apple likely won’t push additional iOS 15 upgrades to iPhone 8 and newer going forward. That being said, we could still see releases for the iPhone 6s, iPhone 7, and iPhone SE.

The company’s released its new iOS 16 operating system and the software is currently available to download right now if you own a compatible iPhone model (iPhone 8 and later).

For more about the iOS 16 update, take a look at our guide.

4 Reasons Not to Install iOS 15.7.3 & 11 Reasons You Should

Install iOS 15.7.3 for Better Security

Install iOS 15.7.3 for Better Security

If security is important to you, you'll want to think about installing Apple's iOS 15.7.3 update right away.

iOS 15.7.3 brings a new batch of security patches to iPhone. They are essential if you want to keep your device and its data safe from harm. You can learn more about these changes right here.

As for older updates, iOS 15.7.2 brought numerous patches along with it. For more about them, head over to Apple's website for more details.

iOS 15.7.1 update brought 17 security patches with it while iOS 15.7 delivered 11 security patches to iPhone. If you want a look at the details, head over to Apple's security site for more information.

If you missed iOS 15.6.1, it had two security patches on board. You can read more about the pair on Apple's website.

If you missed Apple's iOS 15.6 update, it had 30+ security upgrades on board. You can learn more about them right here.

If you missed iOS 15.5 it brought 27 new security patches to the iPhone. You can learn more about these patches over on Apple's security site.

If you missed iOS 15.4.1, it had one new security patch on board. You can read more about it over on Apple's website

If you missed the iOS 15.4 update, it had a whopping 36 new security patches on board. If you want to learn more about these patches, head on over to Apple's security site for the particulars

If you missed iOS 15.3.1, it had one security patch on board. For more about it, head over to Apple's security page

If you missed iOS 15.3, you'll also get its patches with your upgrade. iOS 15.3 brought 10 new security patches to iPhone users. If you're interested in the details, you can read more about them right here.

If you missed iOS 15.2.1, you'll get its security patch with your upgrade. You can learn more about the change over on Apple's website

If you missed Apple's iOS 15.2 update, you'll get its 30+ security patches with your upgrade. You can read all about them over on the company's security site

iOS 15.2 also included some important upgrades to privacy. The software brought the company's App Privacy Report to Settings. This lets you see how often your apps have accessed your location, photos, camera, microphone, contacts and more during the last seven days. You can also see their network activity. 

In addition, iOS 15.2 brought Apple's communication safety features for kids. You'll find these features in the Messages app, in Siri, in Spotlight, and in Search. 

If you missed iOS 15.1, iOS 15.7.3 will bring its security patches to your iPhone. You can read more about them on Apple's website

If you missed iOS 15.0.2 you'll also get its security patch with your upgrade. You can learn more about it right here.

iOS 15.0 also brought numerous security patches to your iPhone. If you'll be moving up from iOS 14 and you're interested in the exact nature of these improvements, you can read about them over on Apple's security website.

Apple's updated its website with new information about iOS 15's batch of security patches. The company now says the software patched up an issue that could have exposed a user's private Apple ID information and in-app search history. It also says iOS 15 patched up an issue that allowed apps to override Privacy preferences.

If you skipped iOS 14.8 or any older versions of iOS, you'll get the security patches from those updates with your iOS 15.7.3 update as well. 

In addition to those patches, iOS 15 comes with some security and privacy upgrades including improvements to Siri. Requests made to Siri are now processed on the device itself using Neural Engine. This makes it more secure. 

If you're an Apple Card user, you'll now get a security code that changes regularly to use when you make online transactions. 

Apple's also included a built-in authenticator that's similar to Google Authenticator. This will let you generate verification codes for enhanced sign-in security under your Passwords.

There's also a Mail feature that hides your IP address. 

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