Apple’s released a new version of iOS 12 and the iOS 12.1.2 update is currently available for all iPhone, iPod, and iPod touch models capable of running iOS 12.
In late 2018, Apple put the iOS 12.1.2 update into beta with new bug fixes. The release came just a few days after the company released its iOS 12.1.1 update.
In a bit of a surprise, the company’ quickly pulled the iOS 12.1.2 update out of beta and released it for all iOS 12 users bringing additional bug fixes and changes to the mobile platform.
The iOS 12.1.2 is another point upgrade, but it contains important bug fixes for lingering iOS 12 problems on the iPhone XR, iPhone XS, and iPhone XS Max.
In this guide to the iOS 12.1.2 update we’ll take you through the most important things to know about the new firmware. Our walkthrough includes a quick look at iOS 12.1.2’s performance and download size, iOS 12.1.2 problems, the iOS 12 downgrade, and what’s next from Apple.
iOS 12.1.2 Reviews
iOS 12.1.1 was a point upgrade but it required a significant chunk of space to download. iOS 12.1.2 is a much smaller release for the iPhone, iPad, and iPod touch.
If you’re moving your phone from iOS 12.1.1, your download is tiny. The iPhone X’s iOS 12.1.2 update is just 83.5MB. You should be able to download it in seconds.
If you’re running an older version of iOS 12 or if your device is still running iOS 11, you’re going to see a much bigger download size because you’ll get the features and fixes from the updates you skipped inside your version of iOS 12.1.2.
As for the iOS 12.1.2 installation, it shouldn’t take more than 5-10 minutes to complete if you’re coming from iOS 12.1.1. It took just five minutes to install on the iPhone X and about five minutes on the iPhone 5s as well.
For more on the iOS 12.1.2 download and installation, take a look at our guide.
We’ve been using the iOS 12.1.2 update on a handful of devices for an extended period of time (we also used the iOS 12.1.2 beta) and here are our quick impressions of its performance:
- Battery life is stable on our phones and tablets.
- Wi-Fi is stable and fast.
- No Bluetooth issues thus far.
- GPS and cellular data are functioning normally.
- Third-party apps including Twitter, Slack, Asana, Gmail, Chrome, and Spotify are working fine.
- First party apps like Safari, Podcasts, and Calendar are stable.
- Netflix has crashed once already.
- iOS 12.1.2 is as fast as iOS 12.1.1.
If you’ve been dealing with bugs and performance issues you should think about installing iOS 12.1.2 in the near future. If you’re having a great experience on iOS 12.1.1 or an older version of iOS, you might want to wait for more long-term feedback to emerge.
If you need iOS 12.1.2 feedback right now, check out our reasons to, and not to, install the iOS 12.1.2 update on your iPhone, iPad, or iPod touch right now.
We’ve also published our iOS 12.1.2 reviews for the iPhone X, iPhone 8, iPhone 7, iPhone 6s, iPhone 6, iPhone 5s, and iPhone SE so take a look at those if you need more feedback about the update’s performance.
iOS 12.1.2 Problems
The iOS 12.1.2 update went through a short beta but we’re hearing about issues with the new software.
iPhone and iPad users are complaining about iOS 12.1.2 download and installation, weird battery drain, issues with Wi-Fi, Bluetooth problems, Exchange problems, and issues with Touch ID. We’re also hearing about issues with various first and third-party applications.
If you run into iOS 12.1.2 problems on your device take a look at our list of fixes for the most common iOS 12 problems. We’ve also released tips to improve iOS 12 performance and tips to improve iOS 12 battery life. These could help.
If you can’t stand the iOS 12.1.2 update’s performance on your device you can also try downgrading. Apple’s signing off on iOS 12.1.1 which means you can drop down to it iOS 12.1.2 gives you issues.
This option will close up soon so you’ll need to move quickly.
iOS 12.1.2 Update: What’s New
iOS 12.1.2 is a maintenance update which means it comes with bug fixes and under-the-hood improvements. It doesn’t have any security patches on board.
Apple’s official change log notes two bug fixes:
- Fixes bugs with eSIM activation for iPhone XR, iPhone XS, and iPhone XS Max,
- Addresses an issue that could affect cellular connectivity in Turkey for iPhone XR, iPhone XS, and iPhone XS Max.
There’s also a new animation for force closing apps in China which you can see in the video below. Apple did this to address Qualcomm patents.
Developers digging through the beta discovered a few other changes. These included:
- Audio performance when using some third-party apps is improved on iPad Pro 12.9-inch (3rd generation) and iPad Pro 11-inch.
- An issue with the brightness jumping up and down around 15% on XS Max (maybe on XS too) when True Tone or Night Shift are enabled.
- An issue where the lock screen keyboard would still register clicks and prevent clicking on home screen icons if it’s not displayed on the home screen right after.
Apple’s released a new version of iOS 12.1.2 for the iPhone with build number 16C104″ (the original iOS 12.1.2 update is called “16C101”) though it’s unclear what the new build has on board. We assume there are bug fixes but Apple hasn’t released an updated change log.
Those who haven’t updated to iOS 12.1.2 yet will likely see the new build. Those who’ve already moved to iOS 12.1.2 won’t see a prompt.
iOS 12.1.2 Jailbreak
Jailbreak developers haven’t released an iOS 12 jailbreak and it’s unclear if we’ll get one in 2019.
The only way you can jailbreak a device right now is if it’s running an older version of iOS 11. Unfortunately, there’s no way to downgrade to iOS 11.
For more on the iOS 12 jailbreak, check out our guide.
Apple’s confirmed an iOS 12.1.3 update and the software is in beta ahead of an unknown release date.
The company is currently on iOS 12.1.3 beta 2 which means an official release is likely coming sometime in early 2019.
If you’re struggling on iOS 12.1.2 or just want to give the new software a try before it’s officially released to the public, you can do so via the iOS 12.1.3 beta.
The iOS 12.1.3 beta is available for all devices capable of running iOS 12.
Install iOS 12.4.2 for Better Security
If you're on the fence, this is one of the best reasons to install iOS 12.4.2.
If you value your device's security, you'll want to download iOS 12.4.2 in the near future because it brings an important security patch for your device. You can read about it right here.
If you skipped iOS 12.4.1, you'll get its security patch with your update. You can read about that patch right here.
If you skipped iOS 12.4, you get its patches with your iOS 12.4.2 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 12.4.2 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 12.4.2.
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 12.4.2 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 12.4.2. 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 12.4.2 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 12.4.2. If you skipped iOS 12.0.1, your iOS 12.4.2 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 12.4.2 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 12.4.2 today.
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