The newest version of iOS 12 could have a significant impact on your device’s performance. While some of you should install the iOS 12.4.3 update right now, but others might want to wait a few hours, days, or longer before making the move.
iOS 12.4.3 is now available for the iPhone, iPad, and iPod touch and the upgrade comes with a short list of changes for your iPhone 6, iPhone 6 Plus, iPhone 5s, iPad Air, iPad mini 3, iPad mini 2, or sixth-gen iPod touch.
The iOS 12.4.3 update is a maintenance upgrade and requires a very small download. Those of you moving up from iOS 12.4.2 will see the smallest download size.
If you’re moving from an older version of iOS 12, you’ll see a larger download size because the features and fixes from the updates you skipped are baked into your version of iOS 12.4.3.
Those of you dealing with issues on iOS 11, iOS 12.0, iOS 12.0.1, iOS 12.1, iOS 12.1.1, iOS 12.1.2, iOS 12.1.3, iOS 12.1.4, iOS 12.2, iOS 12.3.1, iOS 12.3.2, iOS 12.4, iOS 12.4.1, or iOS 12.4.2 could see a turnaround after installing iOS 12.4.3.
While some of you will see a boost, others might run into bugs and performance issues. iPhone, iPad, and iPod touch owners are reporting various problems with the new software.
If you do run into issues you’re on your own. iOS 12.4.3 is a surprise release for iOS 12-powered devices that didn’t get upgraded to iOS 13 so there’s no telling when, or if, Apple will release a new version.
Apple’s also closed off the downgrade path to iOS 12.4.2 which means there’s no getting off it once you upgrade.
The company isn’t signing on iOS 12.4.1, iOS 12.4, iOS 12.3.2, iOS 12.3.1, iOS 12.3, or any older versions of iOS 12 either. So if you’re moving from an older version of iOS 12, proceed with extreme caution.
While there are plenty of reasons to install iOS 12.4.3 on your device today, there are also some reasons why you might want to hold back and wait.
If you’re currently debating a move to iOS 12.4.3, allow us to walk you through each one of these reasons right now.
Install iOS 12.4.3 for Better Security
If you're on the fence, this is one of the best reasons to install iOS 12.4.3.
If you value your device's security, you'll want to download iOS 12.4.3 in the near future because it brings important security patches for your device. You can read about them (when Apple posts them) right here.
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 12.4.3 update. You can read about that patch right here.
If you skipped iOS 12.4, you get its patches with your iOS 12.4.3 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 12.4.3 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 12.4.3.
iOS 12.2 brought a whopping 41 security patches to iPhone, iPad, and iPod touch in March. 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.
Fortunately, Apple's patched up the issue. If you skipped it, you'll probably want to move to iOS 12.4.3 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 12.4.3. 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 12.4.3 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 12.4.3. If you skipped iOS 12.0.1, your iOS 12.4.3 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 12.4.3 update comes with a 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:
Long story short, if you store sensitive data on your iPhone, iPad, or iPod touch, you have some really good reasons to upgrade to iOS 12.4.3 today.
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