How to Fix iPhone Keeps Restarting After iOS 26 Update

Part 1: Why is My iPhone Restarting on Its Own after iOS 26 Update?

Several factors can contribute to your iPhone restarting after iOS 26 update:

• Software Bugs: Beta versions often contain bugs that can cause instability, leading to unexpected restarts.
• Incompatible Apps: Some apps may not be optimized for the latest iOS version, causing crashes or restarts.
• Battery Health: A degraded battery may struggle to handle the demands of the new iOS, resulting in shutdowns.
• Corrupted Update: An incomplete or corrupted installation can lead to system instability.
• Hardware Issues: Underlying hardware problems can become more apparent after an update.

Part 2: The Ultimate Tool to Fix iPhone Restarting After iOS 26 Update

Many users experience iPhone keeps restarting after installing the iOS 26 issues. One of the most effective tools to fix this problem is Tenorshare ReiBoot.

Tenorshare ReiBoot is a simple and reliable solution trusted by millions of iPhone users. ReiBoot helps repair system issues without erasing any of your data. Whether your phone is stuck in a loop or won't turn on, Tenorshare ReiBoot can help bring it back to normal.

Key Features of Tenorshare ReiBoot

• Easy to Use: With just a few clicks, you can fix your iPhone even if you have no tech experience.
• No Data Loss: Repairs system problems without erasing your photos, messages, or other personal data.
• Fixes Multiple iOS Issues: Helps with restart loops, stuck Apple logo, black screen, and frozen devices.
• Safe and Trusted Tool: Used by millions of users worldwide and recommended by many tech experts.
• Supports Most iPhone/iPad Models: Works with older and latest Apple devices on many iOS versions.

Fix iPhone Restarting After iOS 26 Update with ReiBoot

• Download and Install Tenorshare ReiBoot on your computer. Then connect your iPhone with the computer and run ReiBoot.

  

• Choose Standard Repair. Also, read the instructions below to know about the requirements of the tool.

  

• When ReiBoot detects your device, continue to download the latest firmware package by clicking Download. Wait for the firmware to download.

  

• Click Start Standard Repair.

  

• Wait until the repair gets completed. You’ll see a confirmation message once it’s done. Click Done when it's finished.

  

Part 3: Common Fixes for iPhone Keeps Restarting After iOS 26 Update

If your iPhone is restarting after the iOS 26 keeps restarting, try the following solutions:

1. Force Restart Your iPhone

Sometimes, a quick force restart can resolve temporary software crashes or bugs that cause your iPhone in iOS 26 to reboot in a loop. This method is safe, doesn’t affect your data, and is a good first step in troubleshooting.

2. Check for Latest Update

Apple often releases patches for beta-related bugs. If your device is stuck in a restart loop, updating or restoring your iPhone in iOS 26 on Setting App, or via iTunes or Finder could fix it.

3. Check Incompatible Apps and Uninstall

Some third-party apps, though App Store-approved, may still trigger issues after iOS 26 update. If the issue started shortly after installing a particular app, that app might be the culprit.

• Understand that despite Apple’s strict security measures for App Store apps, some third-party applications may still cause issues, such as your iPhone restarting repeatedly.
• If you suspect a faulty app is the cause, the best solution is to identify and uninstall that specific application from your iPhone.
• Go to Settings > Privacy > Analytics > Analytics Data.
• Look through the list for repeated entries that may indicate a problematic app. These entries often include the app’s name or bundle ID.
• Once identified, uninstall the suspicious app from your device to prevent further restarts.

4. Get Your iPhone Fully Charged

An unstable power supply or low battery condition can sometimes lead to repeated restarts, especially under beta firmware. Ensuring a full charge on your iOS 26 device eliminates this as a potential cause.

• Understand that despite Apple’s strict security measures for App Store apps, some third-party applications may still cause issues, such as your iPhone restarting repeatedly.
• If you suspect a faulty app is the cause, the best solution is to identify and uninstall that specific application from your iPhone.
• Go to Settings > Privacy > Analytics > Analytics Data.
• Look through the list for repeated entries that may indicate a problematic app. These entries often include the app’s name or bundle ID.
• Once identified, uninstall the suspicious app from your device to prevent further restarts.

5. Remove and Reinsert the SIM Card

A damaged or misaligned SIM card can lead to connectivity-related restarts, particularly after a software update that affects cellular performance.

• Power off your iPhone.
• Use a paper clip or a SIM tray ejector pin to carefully remove the SIM card from the SIM tray.
• Wait for a few moments, then re-insert the SIM card securely back into the tray.
• Restart your iPhone and observe if the random restarts have stopped.
• If the issue persists, consider contacting your wireless carrier to replace the SIM card or restoring your iPhone using iTunes or Finder.

6. Downgrade to iOS 18

If none of the above works and the beta is too unstable, downgrading to the last official iOS version (e.g., iOS 18) can restore system stability.

Related topic:

[Detailed Guide] How to Go Back to iOS 18 Without iTunes

7. Restore iPhone with iTunes

If your iOS 26 keeps restarting even after trying other fixes, performing a full restore via iTunes can help eliminate deep system glitches. This method will erase your data, but it gives your device a fresh start and reinstalls the latest stable iOS version.

• Make sure you have the latest version of iTunes installed. Open iTunes and check for updates.
• Connect your iPhone to your computer using a USB cable. Launch iTunes if it doesn’t open automatically.
• Enter Recovery Mode by pressing and releasing the Volume Up button, then the Volume Down button. Press and hold the Side button until the recovery mode screen appears. Alternatively, use TunesKit iOS System Recovery to enter recovery mode with one click.
• In iTunes, choose "Restore" when prompted. iTunes will download the latest iOS and restore your device.
• After the process finishes, your iPhone will restart. You can now set it up as new or restore from a backup.

Part 4: User-Reported Fixes from iOS 18 That May Help on iOS 26

Users have shared various solutions that helped them resolve restart issues:

• Reinstall iOS: Some users found that reinstalling iOS using a computer fixed the restart loop.
• Factory Reset: Performing a factory reset resolved issues for others.

These methods may also be effective for iOS 19 beta-related issues.

Part 5: FAQs about iPhone Keeps Restarting

Q1: How do I get my iPhone out of a restart loop?

Try using Tenorshare ReiBoot or check your battery health. If the issue persists my iphone keeps restarting iOS 26, consider restoring your iPhone with iTunes or using ReiBoot for a professional fix.

Q2: What can I do if my phone keeps rebooting or won't boot all the way to the home screen?

Follow the methods outlined above. If the problem continues, it may indicate a hardware problem, such as a faulty logic board or battery. In that case, visit an authorized repair center or contact Apple Support for help.

Q3: Can a virus cause a phone to keep restarting?

Yes, while it's rare, it’s possible for malicious apps or files to disrupt the system. iPhones are generally secure, but if your device is jailbroken or you've installed untrusted profiles, there’s a higher risk.

Q4: Can a bad iPhone battery cause a boot loop?

Yes. A weak or failing battery may not provide consistent power, leading to restart issues, especially under heavy load. If your iPhone is old or the battery health is below 80%, consider replacing the battery.

Q5: How do I fix a stuck Apple logo or endless reboot?

Try these quick solutions:

• Force Restart your iPhone.
• Use Tenorshare ReiBoot to fix system issues without losing data.
• Restore your iPhone using iTunes or Finder.
• Check for hardware issues if the problem persists.

Conclusion

It’s frustrating when your iPhone keeps iPhone keeps restarting after iOS 26 update, especially if you're just trying to test out the latest features. But the good news is, this issue is usually fixable.

Start by checking for software bugs, updating apps, or restarting your device. If that doesn’t help, more advanced solutions like using Tenorshare ReiBoot can provide a safe and effective way to fix the problem without risking your data.

downloads :

Tenorshare ReiBoot - Fix iOS Issues

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• Repair iPhone system issues like boot loops, black screens or apple logo effortlessly.
• Easily upgrade or downgrade your iOS without data loss – no tech skills needed.

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