5 Things to Know About the iOS 12.4.5 Update
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5 Things to Know About the iOS 12.4.5 Update



Apple’s released an iOS 12.4.5 update for iPhone and iPad models that weren’t updated to iOS 13 or iPadOS 13.

iOS 12.4.5 is a point update which means it’s a small upgrade for the iPhone 5s, iPhone 6, iPhone 6 Plus, original iPad Air, iPad mini 2, iPad mini 3, and iPod touch sixth-gen.

If your device is currently running iOS 12.4.4, you get the shortest change log and the smallest iOS 12.4.5 download.

If your iPhone or iPad is currently running an older version of iOS 12, your iOS 12.4.5 update might be a little bit bigger because you get the changes from the updates you skipped.

With that in mind, we want to walk you through the most important things to know about Apple’s new iOS 12.4.5 update for iPhone and iPad.

Our guide goes over the iOS 12.4.5 update’s performance, the current state of iOS 12.4.5 problems, places to find feedback about iOS 12.4.5’s performance, the iOS 12.4.5 jailbreak situation, and more.

We’ll start with our quick impressions of iOS 12.4.5’s performance.

iOS 12.4.5 Reviews

If you’re upgrading from iOS 12.4.4, you’ll see a tiny download. If you’re running an older version of iOS 12, your iOS 12.4.5 download will be a bit larger because, again, the changes from the updates you missed are baked into your upgrade.

If you’re currently running iOS 12.4.4, the iOS 12.4.5 installation should take less than 10 minutes. It took about six minutes to install on an iPhone 5s.

For more on the iOS 12.4.5 download and installation, take a look at our guide.

We’ve been using the iOS 12.4.5 update for several weeks now and here’s we’ve seen from its performance thus far:


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


  • Third-party apps including Netflix, Dark Sky, Twitter, Slack, Asana, Gmail, Chrome, and Spotify are stable.
  • First party apps like Safari, Podcasts, and Calendar are running fine.


  • iOS 12.4.5 feels as fast as iOS 12.4.4.

If you’re running into issues on iOS 12.4.4 or an older version of iOS 12, you’ll probably want to install the iOS 12.4.5 update right now.

If you need help making a decision, check out our reasons to, and not to, install the iOS 12.4.5 update on your iPhone or iPad.

We’ve also published our mini iOS 12.4.5 reviews for iPhone 6 and iPhone 5s so check those roundups for additional feedback if you need it.

iOS 12.4.5 Problems

iOS 12.4.5 is a tiny update, but in some cases it’s having a big impact on performance.

We’re hearing about an assortment of iOS 12.4.5 problems including installation issues, abnormal amounts of battery drain, connectivity issues (Wi-Fi, Bluetooth, GPS), issues with first and third-party apps, UI lag, random reboots, and more.

The list of iOS 12.4.5 problems is extremely short right now, but we expect it to grow as more users move their device to the latest  version of iOS 12.

If you run into an issue on iOS 12.4.5 please take a look at our list of fixes for the most common iOS 12 problems. We’ve also released some tips to help improve performance and tips to help improve iOS 12 battery life.

If you’re frustrated with iOS 12.4.5’s performance on your iPhone or iPad, note that you can downgrade to iOS 12.4.4. Apple’s currently signing on it.

Unfortunately, that will probably end soon. Apple recently stopped signing on iOS 13.3 so we expect the company to stop signing on iOS 12.4.4 in the near future. If you want to move back, you’ll want to do so in the near future.

Apple isn’t signing on older versions of iOS 12 so keep that in mind before you make your move from iOS 12.4.3 or below. Once you make the move to iOS 12.4.5, there’s no going back.

iOS 12.4.5 Update: What’s New

The iOS 12.4.5 update doesn’t bring any new features to the iPhone and iPad and Apple doesn’t list any new security patches in detail so it’s unclear what the update brings to the table.

iOS 12.4.5 Jailbreak

You can jailbreak iOS 12, but you’ll want to be careful with iOS 12.4.5.

Jailbreak developers released a jailbreak tool called checkra1n that’s compatible with iPhone 5s-iPhone X. It’s not compatible with newer iPhone models.

If you own an iPhone XR, iPhone XS, or iPhone XS Max, you can jailbreak iOS 12 using the Chimera jailbreak tool. However, your device needs to be running iOS 12.0-iOS 12.1.2. Unfortunately, there’s no way back to those updates.

For more on the iOS 12 jailbreak, take a look at our guide.

What’s Next

We aren’t sure what’s next for iOS 12 users.

The company could decide to release iOS 12.4.6 down the road, but there’s no guarantee that happens. If it does, don’t be surprised if it rolls out alongside iOS 13.4 later this year.

German site iPhone-ticker.de claims Apple will host an event at the end of March with Tuesday with March 31st the likely choice. If that happens, iOS 13.4 will likely arrive in and around that date.

If another iOS 12 update is in the cards for iPhone 5s and iPhone 6 users, we’d expect a release in and around March 31st. So, if you’re seeing issues on iOS 12.4.5, you might be on your own for a few more weeks at least.

If you decide you want the latest iOS features, you’ll need to upgrade to an iPhone or iPad model that’s compatible with iOS 13 or iPadOS 13.

For more about iOS 13, have a look at our walkthrough. For more about iPadOS 13, check out our guide.

4 Reasons Not to Install iOS 12.5.1 & 10 Reasons You Should

Install iOS 12.5.1 for Better Security

Install iOS 12.5.1 for Better Security

If you're on the fence, here's one of the best reasons to install iOS 12.5.1.

If you skipped an older version of iOS, you might get important security patches with your upgrade. iOS 12.5.1 doesn't have any new patches on board.

If you skipped iOS 12.5, you'll get an important patch with your iOS 12.5.1 upgrade. Apple's outlined the update's patch in detail on its security site

If you skipped iOS 12.4.9, you'll get its four security patches with your upgrade. You can read more about those right here

If you skipped iOS 12.4.7, you get the update's three security patches (two for the Mail app and one for Wi-Fi) with your upgrade to iOS 12.5.1.

If you skipped iOS 12.4.6 and iOS 12.4.5, you get their security updates (unpublished) with your upgrade.

If you missed the iOS 12.4.4 update, you'll want to download iOS 12.5.1 in the near future because it brings iOS 12.4.4's security patch to your device. You can read about it right here.

If you skipped iOS 12.4.3, you get its security patches (also unpublished) with your upgrade.

If you missed iOS 12.4.2, you get an additional patch with your upgrade. You can read about the security contents of iOS 12.4.2 here

If you skipped iOS 12.4.1, you'll get its security patch with your iOS 12.5.1 update. You can read about that patch right here

If you skipped iOS 12.4, you get its patches with your iOS 12.5.1 update. 

iOS 12.4 brought 19 security patches to the iPhone, iPad, and iPod touch. If you're interested in the specifics, you can read about them on Apple's security site

If you skipped iOS 12.3, your iOS 12.5.1 update carries iOS 12.3's security patches on board. The iOS 12.3 update brought 23 patches and you can read about all of them right here on Apple's site. 

If you skipped iOS 12.2, you'll get its security patches with your version of iOS 12.5.1.

iOS 12.2 brought a whopping 41 security patches to iPhone, iPad, and iPod touch. You can read more about the iOS 12.2's patches over on the company's website

It's important to note that Apple's iOS 12.2 update patched up an exploit that allowed websites to use motion sensors to "fingerprint" devices.

The exploit, discovered by researchers in Europe, uses JavaScript to snag data from a device's accelerometer, gyroscope, and magnetometer when the user visits an infected website. If the attack is successful, a device can be tracked around the internet. 

Fortunately, Apple's patched up the issue. If you skipped it, you'll probably want to move to iOS 12.5.1 soon.

If you skipped iOS 12.1.4, you get four important security patches including fixes for a widespread FaceTime eavesdropping bug that lets you call someone via FaceTime and hear the audio coming from their phone before they pick up the phone.

If you skipped iOS 12.1.3, you get some additional patches with your version of iOS 12.5.1. Again, they're baked into your upgrade.

Apple lists a grand total of 23 patches on board iOS 12.1.3 and you can read about all of them over on Apple's website. 

If you skipped iOS 12.1.1, you'll want to install the iOS 12.5.1 update on your iPhone, iPad, or iPod touch today. 

The iOS 12.1.1 update brought 17 patches for potential security exploits. They'll will help protect your phone. You can read about them here.

If you skipped iOS 12.1, you'll get the 24 patches from that update with your version of iOS 12.5.1. If you skipped iOS 12.0.1, your iOS 12.5.1 update brings two additional patches. Both patches are for potential lock screen exploits.

If you skipped iOS 12.0, and you're still running iOS 11.4.1 or below, your iOS 12.5.1 update comes with an even longer list of security updates. 

The iOS 12.0 update delivered 16 patches for security issues. You can read about all of them over on Apple's security page.

In addition to those patches, iOS 12 delivers new security features aimed at protecting you and the data you store on your device. These include:

  • Enhanced Intelligent Tracking Prevention in Safari prevents embedded content and social media buttons from tracking cross-site browsing without your permission
  • Suppresses ad retargeting by reducing advertisers’ ability to identify iOS devices uniquely
  • Strong and unique passwords are suggested automatically when creating an account or changing a password in most apps and in Safari
  • Reused passwords are flagged in Settings > Passwords & Accounts
  • Security code AutoFill presents one-time security codes sent over SMS as suggestions in the QuickType bar
  • Sharing passwords with contacts is easier than ever using AirDrop from Passwords & Accounts in Settings
  • Siri supports quickly navigating to a password on an authenticated device 

Long story long, if you store sensitive data on your iPhone, iPad, or iPod touch, you have some really good reasons to upgrade to iOS 12.5.1 today.

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