iPhone Won't Turn On after iOS 18 Update? Proven Guide Here!

Part 1. Why Won't My iPhone Turn On after Update?

There could be several reasons why your iPhone won't turn on after update ios 18. Some potential causes include:

• Software glitches or bugs in the version of iOS 18.
• Incomplete or interrupted update process.
• Hardware issues or compatibility problems with certain iPhone models.
• Battery drainage or power-related problems during the update.
• Corrupted system files or data after the update.

Part 2. What do I do If My iPhone Won't Turn on After Update?

Fix 1. Force Restart iPhone

One of the first troubleshooting steps you can try is to force restart your iPhone. This can sometimes resolve minor software glitches or issues that may be causing the iPhone not turning on after ios 18 update. Let's see how to restart iPhone iOS 18:

Press and hold the Side button and either Volume button until the power-off slider appears. Drag the slider and wait 30 seconds. Press and hold the Side button again until the Apple logo appears.

Fix 2. Restore iPhone in Recovery Mode

If a force restart doesn't work, you may need to try restoring your iPhone in Recovery Mode. This process involves connecting your iPhone to a computer and using iTunes (or Finder on macOS Catalina or later) to reinstall the latest iOS software.

To restore an iPhone in Recovery Mode, follow these steps:

• Connect iPhone to a Computer: Use a USB cable and open iTunes (or Finder on macOS Catalina and later).

• Enter Recovery Mode: Press Volume Up, Volume Down, and then hold the Side button until Recovery Mode appears.


• Restore the iPhone: In iTunes/Finder, choose "Restore" when prompted.

This will reinstall iOS and restore the device.

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Fix 3. Fix iPhone Won't Turn On after iOS 18 Update in One- Click [Fast & Easy]

If the previous methods haven't worked for you, there's a powerful tool called Tenorshare ReiBoot that can help you resolve the issue of your iPhone not turning on after the iOS 18 update quickly and easily.

Tenorshare ReiBoot is a renowned iOS system recovery tool that is widely regarded as the world's number one iPhone Recovery Mode tool. Tenorshare ReiBoot can repair over 150 different iOS/iPadOS/tvOS system issues, including problems like iPhone won't turn on after iOS update, stuck on the Apple logo, a black screen, or a recovery mode loop.

Here are the steps to use Tenorshare ReiBoot to fix an iPhone not turning on after update iOS 18:

• Download and install Tenorshare ReiBoot on your computer, then connect your iPhone.

  

• Use ReiBoot's "Standard Repair" feature to repair your iOS system without data loss. Click the "Start" button, then select "Standard Repair."

  

• On the next page, click "Download" to download the latest firmware package for your iPhone model and iOS version.

  

• Once the firmware is downloaded, initiate the Standard Repair process. In a matter of minutes, ReiBoot will automatically reboot your iPhone, and your iPhone won't turn on after ios 18 update issue have been fixed.

  

• After the reboot, check your lock screen. The notifications should now be working correctly on your iOS 18 device, thanks to the repair performed by Tenorshare ReiBoot.

  

Fix 4. Put iPhone in DFU Mode

If restoring your iPhone in Recovery Mode doesn't resolve the issue, you can try putting your device in DFU (Device Firmware Update) mode.

DFU mode is a deeper level of recovery that allows you to communicate directly with the iPhone's hardware and update or restore the device at a lower level. Here is how to put your iPhone in DFU mode:

Quickly press Volume Up, then Volume Down. Hold the Side button until the screen goes black, then hold both the Side and Volume Down buttons for 5 seconds. Release the Side button but keep holding Volume Down for 10 seconds.

This can be useful when dealing with more severe software issues or corrupted system files like your iPhone not working after update ios 18.

Fix 5. Charge Your iPhone [May Not Work]

In some cases, an iPhone that won't turn on after an update could be due to a drained battery or power-related issue. While this may not be the most likely cause, especially if your iPhone was working fine before the update, it's still worth trying to charge your device.

Connect your iPhone to a known good power source (a wall charger or a computer USB port) and let it charge for at least an hour or two. If the issue is merely a drained battery, your iPhone should eventually turn on or show signs of life after being charged. See how to fix iPhone won't charge or turn on >>

Part 3. People Also Ask about iPhone Won't Turn On after iOS 18 Update

Q1. How to restart iPhone after iOS 18 update?

If your iPhone won't turn on after the iOS 18 update, you can try to force restart it. To force restart an iPhone X or later, quickly press and release the Volume Up button, then the Volume Down button, and finally, hold down the Side button until the Apple logo appears.

For older iPhone models, press and hold the Home and Side (or Top) buttons simultaneously until the Apple logo appears.

Q2. Why won't my iPhone turn on even though it's plugged in?

There could be several reasons why your iPhone won't turn on even when plugged in for charging.

It might be a software issue caused by the iOS 18 update, a drained battery that needs more charging time, or a hardware problem like a faulty battery or other internal component failure.

In such cases, you may need to try advanced troubleshooting methods or seek professional repair assistance.

Final Word

This comprehensive guide has provided you with a range of proven solutions, from simple force restarts and Recovery Mode techniques to more advanced options like Tenorshare ReiBoot's one-click system repair.

By following the step-by-step troubleshooting methods outlined in this guide, you increase your chances of resolving "iOS 18 phone not turning on" issue and getting your iPhone up and running again.