How to Fix iPhone X Failed to Install iOS 12/11.4/11.3/11.2
With the official release of iOS 11.2, many Apple users rush to upgrade their iPhone X to iOS 11.2. Someone update iOS system OTA or through iTunes. Others upgrade their device by third-party applications. Whatever they choose, update failure is a recurring problem.
Not surprisingly, many Apple users complained that iPhone X/8 unable to update to iOS 12/11.4/11.3/11.2/11.1. According to the feedbacks from the Apple Community, we find that iOS 11.2 upgrade failure are mainly resulted from failure to check for upgrade iOS, unable to download iOS system, verify update error and install update failed. Aiming at these cases, we have offered the relevant fixes.
Below methods also work to fix iOS 12 not installing on iPhone X. For detailed guide, you may also visit [SOLVED] iOS 12 Beta Won't Install Error on iPhone/iPad
- Part 1: Common iOS 11.2 Update Issues on iPhone X
- Part 2: How to Fix iPhone Unable to Update iOS 11.2
Case 1. Unable to check for Update
When someone upgraded their iPhone to iOS 11.2 and they may get an error occurred while checking for a software update iOS 11.2. It can be caused by various factors such as network problem, iPhone settings problem and so on.
Case 2. Failed to download iOS 11.2
When you upgrade and iPhone/iPad to iOS 11.2 and you may get the iOS 11.2 download failed. So the first thing you need to do is to check whether your iPhone have connected Wi-Fi and iPhone storage is adequate.
Case 3. Unable to Verify Upgrade iOS 11.2 on iPhone
Many Apple users are again running into the unable to verify update error when trying to install iOS 11.2. This is a bug that has appeared on many iOS upgrades in the past.
Case 4. Cannot install Update in iOS 11.2
Generally, it will take a long time to install iOS 11.2 by OTA or iTunes, many stuck issues will hinder you from going to the iOS installing screen. Your iPhone may get stuck on Apple logo/black screen while updating iOS 11.2 . Speaking frankly, it’s a recurrent event.
If you have encountered the above situations, please read the following tips to fix iPhone X/8/8 Plus/7/6s unable to update to iOS 11.2.
Tip 1. Make Sure your iOS Device Connecting to Wi-Fi
Your iPhone can’t recognize that iOS 11.2 is available? When you upgrade iOS 11.2 over the air, you are likely to encounter “Unable to Check for Update”. Facing with this event, you should make sure that your iOS device is connected to the high speed Wi-Fi network and the battery life must be not less than 50%.
Tip 2. Give Your iPhone X a Hard Reboot
If your iPhone X/8 failed to update to iOS 11.2, you can try to hard reboot your iPhone X. More ways about hard restart iPhone X, you can read How to Restart iPhone X.
1．Press and quickly release Volume up button. Similarly, do the same thing with Volume down Button.
2．Press and Hold Side Button until you see the Apple logo on Screen.
Tip 3. Update to iOS 11.2 Via Using iTunes
"Software Update Failed" error seems to frequently occur when someone upgrade on device via OTA, you can try upgrading to iOS 11.2 by using iTunes on computer. Before you start, you need to install with the latest version of iTunes.
1．Download and install the latest version of iTunes on your PC/ Mac computer. Run iTunes and connect your iPhone X to computer via USB cable.
2．Click on Device tab, and then choose Summary>Click on “Update”> Choose “Download and Update”
3．Enter your Passcode on iPhone X.
4．Once these steps finished, your device will be upgraded to iOS 11.2 after rebooting.
Tip 4. Upgrade iPhone to iOS 11.2 with Tenorshare ReiBoot
Sometimes you may encounter various stuck errors when using iTunes to update or updating iOS 11.2 over the air. As a result, your device may come across date loss or operate abnormally. In the circumstance, you are recommended to use Tenorshare ReiBoot to download the latest iOS and install on your iPhone/iPad successfully without data loss.
1．Install and run Tenorshare ReiBoot on PC/Mac, and connect your device to computer via USB cable. Choose “Fix All iOS Stuck” and then click “Fix Now (All iOS 11 Stuck)” to download the latest iOS firmware package.
2．Once the downloading process completed, you can just click “Start Repair”. After that, your iPhone will be updated to the latest iOS 11.2 with a normal state.
If you are running into iOS upgrade failure or error, just try these fixes in this post. I’m sure these fixes will be helpful for you to solve iOS 11.2 update failure. If you have any doubt, please let me know.