By Dylan / Last update September 8, 2022

How long does an iOS update take?

I am upgrading my iPhone 12 to iOS 16 but it hasn’t been finished after an hour passed. Is it necessary to take so long to update my iPhone? I wonder how long does it take to update iPhone?

- Question from Apple Community

As an iPhone user, you cannot avoid updating iOS. When Apple releases the package of the latest iOS, it is mainly used to repair the known bug or add new features to iPhone. Now iOS 16 is released. Are you ready for that?

IOS 14 Preview

iPhone’s good quality makes it still usable after years. During its life span, you need to update the iOS many times. When iPhone becomes old, you might find that it takes a longer time than usual to update iPhone. Sometimes you can just leave the iPhone alone and wait for the process to be completed by itself, but sometimes the update is really stuck for some reason. You can follow this guide to know more about iOS updates and how to rescue your iPhone from the abnormal update.

How long does an iOS update take?

A complete iOS update contains downloading the new iOS installation package, installing the package, and setting up iPhone. The internet speed and the quality of your hardware will influence the process. Updating to the latest iOS takes about 30 minutes on average.

iOS Software Update

Before you update iOS, it is suggested to save important data like photos to a computer or iCloud. If you just enable Photo Steam on iPhone, your photos are facing the risk of being removed. Many users reported that their photos disappeared after updating iOS for this. You can backup iPhone photos to computer to make them always safe.

If you failed to download the iOS installation package in Software Update on iPhone or got stuck at the loading screen, there are the possible reasons for that:

  • The network conditions are poor or not stable.

  • Other apps have occupied the network in the background.

  • The process has been stopped for unknown system issues

How to rescue iPhone from taking forever to update iOS?

A failed iOS update can’t stop you from enjoying the new features. This section will give the solutions to rescue the iPhone and make your iPhone well-prepared for iOS updates.

Solution 1. Check network conditions and restart iPhone

If you cannot download the iOS installation package, you should check the Internet you are using, seeing whether you can use Safari or other apps.

Reset network on iPhone and connect iPhone to Wi-Fi again. Go to iPhone Settings > General > Reset > Reset Network Settings.

Restarting iPhone to make sure the background is relatively clean.

Reset Network Setting

Solution 2. Leave enough space on iPhone for iOS update

Except for knowing how long does iPhone update take, you need to prepare for iOS update. It requires at least 2GB of storage space for that.

Photos, videos, music, and films often take most storage on iPhone. You can use the best iPhone transfer FoneTool to easily export large files from iPhone to computer for free.

Download FreewareWin 11/10/8.1/8/7/XP
Secure Download

Solution 3. Force Restart iPhone to stop iOS update

If you find that iOS update taking forever you need to manually stop the process by force-restarting iPhone.

  • iPhone 8 or later: Press the volume+ button and then quickly release. Press the volume- button and then quickly release. Press the power button for seconds and wait for the Apple logo appearing.

  • iPhone 7 and iPhone 7 Plus: Press both the power button and volume- button for seconds and wait for the Apple logo appearing.

  • iPhone 6s or earlier: Press both the power button and the Home button for seconds and wait for the Apple logo appearing.

Solution 4. Update iOS via iTunes on computer

If your iPhone update failed for many times on iPhone, you can try updating iOS via iTunes on computer. The network conditions are better on PC.

Step 1. Download the latest iTunes on computer, connect iPhone to computer with USB cable, and click the device icon in the upper-left corner.

Device Icon iTunes

Step 2. Click Update in this Windows and wait for iTunes completing the update.

Update iphone iTunes

Solution 5. Repair the old iOS for next update

There is professional tool able to thoroughly fix your operating system. It is very powerful but is not free.

Step 1. Download AnyFix to computer, connect iPhone to computer with USB cable and select System Repair.

Step 2. Select 50+ iPhone Problems > Click on Start Now.

System Repair

Step 3. Select Standard Repair and click the button Standard Repair. AnyFix will help you download the necessary firmware.

Standard Repair

Step 4. Click Fix Now and put iPhone into Recovery Mode to start repairing the operating system.

System Repair Problem


How long does an iOS update take? It usually takes 30 minutes to complete the whole process. If you find that it is stuck for some reason, you can use the 5 solutions in this passage to fix the issue.

Is this guide helpful? You can share it to help more people.

FoneTool Runs Perfectly on

iOS Versions
  • iOS 16/15/14/13/12/11 and former
  • iPadOS 16/15/14/13/12/11 and former
iOS Devices
  • iPhone 14/14 Pro (Max), 13/13 mini/Pro (Max), iPhone 12/12 mini/Pro (Max), iPhone 11/11 Pro (Max)
  • iPhone X/XR/XS/XS Max, iPhone 8/8 Plus, iPhone 7/7 Plus, iPhone 6/6s/6s Plus
  • iPhone SE (1st, 2nd, 3rd generations)
  • iPod touch 1/2/3/4/5/6/7
  • All models of iPad Air, iPad mini, iPad Pro and iPad