This is how to install iOS 12 on your iPhone or iPad. The iOS 12.4.1 update is here with an important security fix, which prevents a jailbreak and secures your phone from nefarious apps. This is an update that many people should install right now, without waiting for Apple to prompt you.
This guide will show you how to install iOS 12 or iOS 12.4.1 without losing any data by upgrading right from your iPhone or by connecting to a computer with iTunes.
While iOS 12 and iOS 12.4 brought many new features, this update is solely about security. This may be the last update before Apple releases iOS 13 which will come around the same time as the 2019 iPhone. You can install iOS 12 on any iPhone that runs iOS 11, and if you skipped a few updates you can still install iOS 12.4.1, it just might take longer.
After you install iOS 12 you can still downgrade, but no longer back to iOS 11. Make sure you are ready to install iOS 12.4.1 by completing this list of 10 things to do before installing the update, and check out our reasons to install iOS 12.4.1 and reasons not to before you proceed.
The iOS 12.4.1 update takes about 10 to 30 minutes to complete if the download speeds are good. The iOS 12.4.1 update takes only 5-15 minutes if you are already on iOS 12. You need WiFi and the device’s battery must be at 50% or higher..
How to Download and Install iOS 12.4.1
You don’t need to wait for a pop-up or an alert to let you know that you can install iOS 12. You can download and install iOS 12.4.1 on your iPhone and iPad right now by checking for updates. If your iOS 12 download stalls, gets slow or simply won’t start you should restart your iPhone as this will often fix that issue.
With your iPhone charged to at least 50% and connected to a WiFi network, this is what to do to install iOS 12.4.1.
Make sure you have an iCloud backup or iTunes backup before you start. On your iPhone go to Settings -> Tap on your name -> Tap on iCloud -> Scroll down and tap on iCloud Backup -> Make sure the Last successful backup time and date are recent. In most cases it will be last night.
- Tap on General.
- Tap on Software Update.
- Tap on Learn More to see more about this update.
- Or, Tap on Download and Install to start.
- Enter your passcode.
- Agree to the terms and conditions twice.
- Wait for the iOS 12.4.1 download to complete.
- When prompted tap Install.
During this process, you can use your iPhone until the installation starts. Once it begins, you can’t make calls, check your email or browse the web. The device will restart two, or maybe three times, and then you will be able to complete the setup.
You can now enter your Apple ID password and complete any setup steps needed. This will vary and it may require you to complete a few more options and make some choices as you complete the process. If you need to reset your Apple ID password, go to iforgot.apple.com.
How to Install iOS 12.4.1 with iTunes
If you don’t like using your iPhone to download and install the update over the air, you can plug into iTunes. This is often more reliable on the first day or two of a major update, and occasionally this will find the update before your iPhone or iPad sees it.
Connect the iPhone to your computer using a Lightning cable. If you get asked to trust the computer tap on yes on your iPhone. Sometimes you will see a popup telling you that you can install iOS 12.4.1, but if not, here’s what to do.
- Click on the iPhone or iPad icon in the upper left.
- Click on Check for Update.
- Click Download and Update.
- Agree to the terms and conditions.
- When needed, enter your passcode on the iPhone.
While this is not any faster than installing iOS 12.4 right on your iPhone, it often skips some of the problems, and on the first day it can help with download speeds if your computer has a better connection.
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.
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:
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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