Top 4 Fixes to iPhone iPad Won’t Turn on After iOS 18/17 Update

Problem: iPhone Won’t Turn on After iOS 18/17 Update

iPhone 15 Won’t Turn on After Update.

I am using 15 right now. But after update to the iOS 18 phone won’t start. I had tried to charge the phone but the found same result. Any suggestions?

- Question from Reddit

The iOS update always brings new features as well as errors and this time you find your iPhone won’t turn on after iOS 18 update. Actually, iPhone won’t turn on is a common problem that could happen at any unexpected moment. Keep reading to see why this problem occurs and how to bring back your iPhone to life.

Why My iPhone iPad Won’t Turn on After Update?

Excluding physical or liquid damage, the following are the main reasons that may cause the “iPhone won’t start after update” problem.

- Your device has run out of battery. The upgrade process may run the battery down. A lot has to happen in the background to bring things back to normal after an update and it will consume more power.
- iOS crashes. The software crashes can cause many problems and usually, a force restart can help remove those bad data bits.
- The firmware is damaged. When something goes wrong during the iOS update, the firmware will be damaged and you find your device won’t turn on. Sometimes you may find your iPhone stuck on spinning wheel or Apple logo screen.

How to Fix iPhone Won’t Turn on After Update

Try these methods one by one to troubleshoot the iPhone iPad won’t turn on after update problem.

►These solutions apply to all iPhone & iPad models including:
iPhone 6s/6s Plus, iPhone 7/7 Plus, iPhone 8/8 Plus, iPhone X/XR/XS (Max), iPhone 11 (Pro Max), iPhone 12/12 Pro (Max)/12 mini, iPhone 13/13 Pro (Max)/13 mini, iPhone SE 2022, iPhone 14 (Plus)/iPhone 14 Pro (Max), iPad Pro/Air/mini.

Solution 1. Connect your iPhone iPad to Power Source

First plug in your device and let it charge for up to one hour. Usually, you will see the charging screen after a few minutes. If you don’t see the charging screen within an hour, it seems that your device was not charging. You can check the Lightning Cable, USB Adapter, or try another power source. If you make sure that it’s not the charging issue that causes the problem, then move to the next solution.

Solution 2. Force Restart Your iPhone iPad

A force restart will refresh your device’s memory and reload all services. It can help fix the "iPhone won’t turn on after update" problem caused by firmware crashes.

● Force restart iPhone 8 and later & iPad with Face ID :

Quickly press and release the Volume Up button > Quickly press and release the Volume Down button > Press and hold the Side/Power button until you see the Apple logo.

● Force restart iPhone 7/7 Plus:

Press and hold the Top button and Volume Down button together > Release both buttons when the Apple logo appears.

● Force restart iPhone 6s, SE and earlier & iPad with Home button:

Hold down the Home button and the Top (or Side) button at the same time > Release both buttons when the Apple logo appears.

Solution 3. Restore iPhone iPad in Recovery Mode

When the firmware has been corrupted, you need to restore your iPhone to get rid of the iPhone iPad won’t turn on after update issue.

1. Download and install the latest version of iTunes on computer.

2. Run iTunes and plug in your iPhone or iPad.

- If a window pops up and says that you’re required to restore or update your iPhone, just follow the onscreen instructions to make it.

- Or you can force restart your device to put it in Recovery Mode and pop up window will appear.

• If you choose Update, it will reinstall iOS or iPad OS without erasing your data.

• If you choose Restore, it will reinstall iOS or iPad OS and all existed data will be erased.

Solution 4. Restore iPhone iPad in DFU Mode

If the Recovery Mode can’t help you fix the iPhone won’t turn on after update problem, you can put your device in DFU (Device Firmware Update). Compared to Recovery Mode, DFU is a deeper restore that is more comprehensive and used to solve more difficult and serious problems.

1. Make sure you have installed the latest version of iTunes on computer.

2. Plug in your iPhone and run iTunes.

3. Put your device in DFU Mode.

● For iPhone 6s/6s Plus an earlier & iPad with Home button:

Press and hold the Power button and Home button together for 8-10 seconds > Release the Power button but continue to hold the Home button until your device appears in iTunes > Release the Home button.

● For iPhone 7/7 Plus:

Press and hold the Power button and Volume Down button together for 8-10 seconds > Release the Power button but continue to hold the Volume Down button until your device appears in iTunes > Release the Home button.

● For iPhone 8/8 Plus, iPhone X, XS, XS Max, XR, iPhone 11, iPhone 12 & iPad with Face ID:

Quickly press and release the Volume Up button > Then quickly press and release the Volume Down button > Then press and hold the Side button until the screen goes black.

When the screen turns black, press and hold the Volume Down button while continuing to hold the Side button > After 5 seconds, release the Side button but continue to hold the Volume Down button until your device appears in iTunes.

Your iPhone screen display will be completely black if you have successfully entered DFU Mode. Try again if it’s not.

3. Follow the on-screen instructions to restore your device.

Conclusion

That's all about how to fix iPhone won't turn on after update problem. Before contacting Apple support for help, you can try the above methods to make your device respond again. Does this passage solve your problem? If so, you could share it via Twitter or Facebook to help more people.