The iOS 11.2.1 update is here with key fixes for a Homekit issue and it includes the new iOS 11.2 features and fixes. This update also rolls in the new iOS 11.1 emojis, new iOS 11 features that stack on top of the iOS 11 upgrade that added a ton of new features in September and November. This guide will show you how to install iOS 11.2.1 on your iPhone, iPad or iPod touch.
Apple released iOS 11 on September 19th. The iOS 11.0.1 update arrived on September 26th, followed by iOS 11.0.2 and iOS 11.0.3. On October 31st, Apple released iOS 11.1. Soon after Apple delivered iOS 11.1.1 with two very important fixes and iOS 11.1.2 with two special iPhone X fixes. Since then we’ve also seen iOS 11.2 with Appel Pay and fixes and iOS 11.2.1 with more fixes.
Apple Users can start the iOS 11 or iOS 11.2.1 download directly on their iPhone or iPad without connecting to a computer. If you prefer to install the iOS 11.2.1 update with iTunes we’ll also show you that option.
You can use this tutorial to upgrade to iOS 11.2.1 from iOS 9 or iOS 10. There is no need to upgrade through different versions, updating now will install the latest version. If you are still on iOS 10.3.3 you will go directly to iOS 11.2.1.
Make sure you prepare by following this list of 10 things to do before installing iOS 11 on your iPhone or iPad. This will keep your data safe and help you upgrade faster and easier.
The iOS 11.2.1 update takes about 10 to 20 minutes to complete if you have a fast Internet connection and don’t run into any iOS 11 installation problems. In order to install the iPhone or iPad needs 50% or more battery life and needs a WiFi connection. The iOS 11 installation may take longer to complete if you are coming from iOS 10. If you are just installing the iOS 11.2.1 update and are already on iOS 11, you can expect a fast update.
How to Download iOS 11.2.1 and Install the iOS 11.2.1 Update
In most cases, the iOS 11.2.1 update will download in a 5-10 minutes. The iOS 11.2.1 update is around 70MB on the iPhone X. The length of time will vary based on how fast your Internet connection is. If you cannot get past the initial download, you should restart your phone and try again. If it is still slow you may want to wait or try using iTunes.
You do not need to wait for an alert or a small red bubble on the Settings app to install iOS 11.2.1. Here’s what you need to do on iPhone or iPad when you are on a WiFi network.
This process will take 5-15 minutes on a fast connection with no errors. You can use the iPhone while the iOS 11.2.1 download completes, but not during the installation.
- 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 11.2.1 download to complete.
- When prompted tap Install.
When the update completes, which may take two restarts or two times where you see the Apple logo, you should be able to start using your iPhone again.
You may see a Hello screen, where you swipe to complete the update. If prompted enter your Apple ID password to finish the installation. In some cases, you may simply need to enter your passcode to unlock the phone and start using it. If you forget your Apple ID, you need to reset it at iforgot.apple.com.
How to Install iOS 11.2.1 with iTunes
If you do not want to install the iOS 11.2.1 update over the air by downloading directly to your iPhone or iPad, you can plug it into iTunes and allow it to check for an update there.
Connect the iPhone to the computer with a lightning cable. You may get a pop-up notification when you do this allowing you to download and install iOS 11.2.1, but if you don’t use the directions below.
- 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.
This isn’t typically faster, but if you have trouble downloading the iOS 11.2.1 update this can bypass some errors.
What's New in iOS 11.2 & iOS 11.2.1
The iOS 11.2.1 update is small and it focuses on fixes for HomeKit that Apple already fixed on the server side. This is an important update to install if you use HomeKit.
The iOS 11.2 update delivers a major fix for the crashing iPhone, dozens of other fixes and includes Apple Pay Cash. The update is about 480MB for most users and should install pretty quickly if you are already on iOS 11.1.2.
Apple Pay Cash - This new service lets you send, request and receive money from other iPhone users.
The iOS 11.1.2 update fixed the following items, which are also rolled into the iOS 11.2 update.
If you are on a much older version the update will be larger and it will include the other fixes listed below.
The iOS 11.1.1 update is out now for the iPhone and iPad. This update includes all of the changes from iOS 11.1 and two very important fixes. This small update is just over 50MB in size on most iPhones that are on iOS 11.1 already.
The iOS 11.1.1 update includes all of the same security fixes as iOS 11.1, and the new features outlined below. After a lot of iOS 11 problems, the iOS 11.1 update is about delivering a lot of fixes that will help you use the iPhone better. This is a free update that is about 200 to 300 MB in size and it is one that most users will want to install on their iPhone. Here's a full list of the changes in iOS 11.1 including many fixes for the Photos app and for Accessibility.
Apple also includes a number of important security fixes, including one for a major WiFi flaw in this update. Most users will want to install iOS 11.1 for the security updates as much as for the new emoji.