Apple has pushed an iOS 15.4.1 update and it brings some extremely important changes for iPhone users around the world.
iOS 15.4.1 is compatible with all phones running iOS 15, including iPhone 6s, iPhone 6s Plus, iPhone SE, iPhone 7, iPhone 7 Plus, iPhone 8, iPhone 8 Plus, iPhone X, iPhone XS, iPhone XS Max, iPhone XR† iPhone 11† iPhone 11 Pro† iPhone 11 Pro MaxiPhone SE 2, iPhone SE 3 iPhone 12 mini† iPhone 12† iPhone 12 Pro† iPhone 12 Pro Max and iPhone 13 series†
Unlike iOS 15.4, the previous version of iOS 15, iOS 15.4.1 is a minor upgrade. That said, it delivers important bug fixes for the iPhone, including one that should fix abnormal battery drain issues.
With that in mind, we want to walk you through everything you need to know about Apple’s latest iOS 15 update for iPhone.
In this walkthrough, we’ll take you through iOS 15.4.1 changes, software performance, iOS 15.4.1 issues, iOS 15.4.1 jailbreak status, and more. We’ll start with some thoughts on iOS 15.4.1’s performance so far.
iOS 15.4.1 Review
If your iPhone is currently running iOS 15.4, you will see the smallest download size of iOS 15.4.1.
For iOS 15.4 users, the iOS 15.4.1 download is quite small. It is about 300MB for iPhone 12 Pro users, which is higher than the previous version of iOS 15. You can expect a similar size for other iPhone models.
Keep in mind that the exact size of the iOS 15.4.1 download depends on your iPhone model and the version of iOS currently running.
If your iPhone is running an older version of iOS, you may see a larger download because your update includes the changes from any iOS updates you skipped.
If you’re moving from iOS 15.4, the installation process will take 10 minutes or less. It took about seven minutes to install on an iPhone 12 Pro.
We’ve been using iOS 15.4.1 on a few different iPhone models for several days now, and here’s what we’ve learned about the software’s performance so far:
- Battery life is stable.
- Wi-Fi connectivity is fast and reliable.
- Bluetooth works normally.
- GPS and mobile data are both stable.
- Third-party apps including Netflix, Dark Sky, Twitter, Slack, Asana, Gmail, Chrome, and Spotify currently work fine.
- First party apps like Safari and Podcasts are also stable.
- iOS 15.4.1 feels just as fast as iOS 15.4.
If you experienced bugs and/or performance issues on iOS 15.4 or an older version of iOS, you probably need to install the iOS 15.4.1 update on your iPhone now.
If you need help deciding whether or not to upgrade to iOS 15.4.1, check out our reasons for installing and not installing the software now.
iOS 15.4.1 Problems
The iOS 15.4.1 update is causing problems for some iPhone users. Some of these issues are brand new, while others are inherited from iOS 15.4 and older versions of iOS 15.
The current list of issues includes installation issues, first and third party apps issues, UI lag, Exchange issues, Touch ID and Face ID issues, and abnormal battery drain.
If you run into a problem on iOS 15.4.1, check out our list of solutions for the most common iOS 15 problems. We also released some tips that can help you improve your phone’s performance and some tips that can help you fix iOS 15 bad battery life.
Apple stopped signing on iOS 15.4, which means you won’t be able to revert your iPhone’s software to the previous version of iOS 15 if iOS 15.4.1 starts to cause problems on your device. You also cannot downgrade to anything older than iOS 15.4.
Keep this in mind if you have a good experience with iOS 15.4 or older. Once you’ve made the switch to iOS 15.4.1, there’s no going back.
For more information on the downgrade process, please refer to our guide.
iOS 15.4.1 Features
Apple’s point updates (xxx) usually bring under the hood improvements for iPhone users and that’s exactly what iOS 15.4.1 has on board. Here is the official iOS 15.4.1 change log:
- Fixed an issue where the battery could drain faster than expected after updating to iOS 15.4.
- Fixed an issue where Braille devices would stop responding when navigating text or displaying an alert.
- Fixes an issue where Made for iPhone hearing aids may lose connectivity to some third-party apps.
iOS 15.4.1 also brings a new security patch to iPhone. To learn more about it, visit Apple’s official security site†
iOS 15.4.1 Jailbreak
The developer teams behind the checkra1n and unC0ver jailbreak tools have released versions that are compatible with newer versions of iOS 14, but only Checkra1n is compatible with iOS 14.5.
Unfortunately, the tools support iOS 15.4.1, iOS 15.4, iOS 15.3.1, iOS 15.3, iOS 15.2.1, iOS 15.2, iOS 15.1.1, iOS 15.1, iOS 15.0.2, iOS 15.0.1, iOS 15.0, iOS 14.8, iOS 14.7.1, iOS 14.7, iOS 14.6 or iOS 14.5.1.
The latest version of unC0ver is compatible with newer iPhones, including the iPhone 12 series. That’s great news if you’ve been waiting to jailbreak your new phone. Unfortunately, it is only compatible with versions up to iOS 14.3.
There’s no way to downgrade your phone’s software to iOS 14.5 or older versions of iOS, meaning you’re out of luck if you upgrade or if you’ve already upgraded to newer iOS software.
Apple has confirmed that a new version of iOS 15 and iOS 15.5 are currently in beta testing ahead of public release.
iOS 15.5 is a milestone release, but it looks like it will be a pretty minor release. That said, it should still include a mix of new features, bug fixes, and security patches.
The company has not confirmed a specific release date for iOS 15.5, and we expect it to remain in beta for a while while Apple fixes the issues. As of now, we expect the official release to come sometime in May.
If your problems are really bad, or if you just want to try new software, you can try downloading iOS 15.5 beta on your iPhone now.
Check out our walkthrough to learn more about iOS 15.5 and the beta. To learn more about the upcoming iOS 15.5 release date, check out our guide.
4 reasons not to install iOS 15.4.1 and 11 reasons why you should
Install iOS 15.4.1 for better security
If security is important to you, you should definitely consider installing Apple’s iOS 15.4.1 update right away.
iOS 15.4.1 has one new security patch and you can read more about it on Apple’s website† It helps protect your phone from damage.
If you missed the iOS 15.4 update, it had a whopping 36 new security patches on board. For more information about these patches, please visit: Apple’s security site for details†
If you missed iOS 15.3.1, it had one security patch on board. For more information, please visit Apple’s security page†
If you missed iOS 15.3, you will also get the corresponding patches with your upgrade. iOS 15.3 brought 10 new security patches for iPhone users. If you are interested in the details, you can read more about it here†
If you missed iOS 15.2.1, you will get the security patch with your upgrade. More information about the switch can be found on Apple’s website†
If you missed Apple’s iOS 15.2 update, you’ll get the 30+ security patches with your upgrade. You can read all about it on the company’s security site†
iOS 15.2 also included some significant privacy upgrades. The software brought the company’s app privacy report to Settings. This lets you see how many times in the past seven days your apps accessed your location, photos, camera, microphone, contacts, and more. You can also see their network activity.
In addition, iOS 15.2 is . brought Apple’s communication security features to children. You’ll find these features in the Messages app, Siri, Spotlight, and Search.
If you missed iOS 15.1, iOS 15.4.1 will bring the security patches to your iPhone. You can read more about it on Apple’s website†
If you missed iOS 15.0.2, you will also get the security patch with your upgrade. You can learn more about it here†
iOS 15.0 also brought numerous security patches to your iPhone. If you’re moving from iOS 14 and you’re interested in the exact nature of these improvements, you can read more about them on Apple’s security website†
Apple has updated its website with new information about iOS 15’s suite of security patches. The company now says the software has resolved an issue that could have exposed a user’s personal Apple ID information and in-app search history. It also states that iOS 15 fixed an issue that allowed apps to ignore privacy preferences.
If you skipped iOS 14.8 or an older version of iOS, you will also receive the security patches from those updates with your iOS 15.4.1 update.
In addition to these patches, iOS 15 comes with some security and privacy upgrades, including improvements to Siri. Requests to Siri are now processed on the device itself with Neural Engine. This makes it safer.
If you’re an Apple Card user, you now get a security code that changes regularly to use in online transactions.
Apple has also added a built-in authenticator, similar to Google Authenticator. Allows you to generate verification codes for enhanced login security under your passwords.
There is also a Mail feature that hides your IP address.