[Can't Miss] How to Fix iOS 18/26 Beta Alarm Not Working

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By Jenefey Aaron

2025-06-27 / iOS 18

Waking up to silence when your iPhone alarm should have gone off can throw your entire day into chaos. Since iOS 18/26 Beta release, many users have been caught off guard by their alarms failing after updating to iOS 18/26 Beta.

But don't worry; we're here to help you get things back on track. Let's take a look into why this is happening and, more importantly, how you can fix iOS 18/iOS 26 alarm not working quickly.

Part 1. iOS 26 Alarm Not Working: User-Reported Issues & Fixes

Real-world reports from Reddit highlight alarm failures in iOS 26 Beta, especially with alarms stopping after just a few seconds or failing entirely.

Reddit User Feedback

“Every alarm I have set only goes off for about 3 seconds and then quits.”

“It alarms me as normal, but after about 3 seconds it just stops … Anyone else having this issue?”

“Alarm goes off, makes the sound twice and then stops with nothing further. I had to install a separate alarm app (Alarmy).”

Community-Recommended Fixes for iOS 26 Alarm Not Working

  • Disable Attention‑Aware Features
  • Turning off Settings → Face ID & Passcode → Attention‑Aware Features has fixed the 3‑second alarm cutout for many users.

  • Recreate Alarms
  • Users report that deleting and re-adding alarms often resolves glitches.

  • Restart the iPhone
  • A quick reboot may clear temporary bugs affecting the alarm.

  • Install Third‑Party Alarm Apps
  • Workarounds include using apps like Alarmy until Apple releases an official fix.

  • Don’t Pick Up the Phone
  • Some users reported that moving the phone or lifting it off the charger can inadvertently dismiss the alarm due to Face‑ID monitoring.

Part 2. Why does iPhone Alarm Not Working after iOS 18/26 Beta Update?

The iPhone alarm not making sound iOS 18/26 Beta issue can be caused by several factors. Here are some of those reasons:

  • Software Glitch: iOS updates, while generally beneficial, can sometimes introduce bugs that can cause iPhone alarm not going off after update.
  • Incorrect Settings: Accidental changes to alarm settings, volume controls, or Do Not Disturb mode can prevent your alarm from sounding.
  • Hardware Issues: Although less common, underlying hardware problems with your iPhone's speaker or internal components might interfere with alarm sounds.
  • Compatibility Problems: In rare cases, third-party apps or accessories might conflict with the alarm function, causing it to malfunction.
  • Battery Issues: A low battery or battery-saving mode can sometimes impact alarm performance.

Part 3. How to Fix iOS 18/26 Beta Alarm Not Working

When facing the iOS 18/26 Beta alarm not working, it’s essential to address the issue promptly to avoid further disruptions. Let’s explore the most effective methods to tackle the iOS 18/26 Beta alarm issue.

Fix 1. Check Alarm Settings

Sometimes, the issue is as simple as incorrect settings. Double-checking your alarm setup can help, especially if your iPhone snooze button disappeared iOS 18/26 Beta.

Check alarm settings to fix iOS 18/26 alarm not working issue:

  • Open the Clock app.
  • Tap on Alarm.
  • Review the time, repeat options, and sound settings.
  • Ensure that the Snooze option is enabled if needed.
    Erase phone data

Fix 2. Restart iPhone

Restarting your iPhone can often clear minor glitches that arise after an update. So a restart might be all it takes to fix the alarm not going off iPhone iOS 18/26 Beta issue.

Fix iOS 18/26 alarm not working issue by restarting iPhone:

  • Press and hold the Side button with either Volume button until the power-off slider appears.
  • Drag the slider to turn off your iPhone.
  • After the device powers off, press and hold the Side button again to restart it.
    Erase phone data

Fix 3. Check Volume & Sound Settings

Alarm issues can also stem from your device's sound settings. Ensuring that your volume is turned up and your sound settings are correctly configured is crucial.

Check volume & sound Settings to fix iOS 18/26 alarm not working issue:

  • Go to Settings > Sounds & Haptics.
  • Adjust the Ringer and Alerts slider to increase the volume.
  • Ensure that Change with Buttons is enabled so you can adjust the volume with the side buttons.
    Erase phone data1

Fix 4. Turn Off "Do Not Disturb" Mode

The "Do Not Disturb" mode can silence alarms if it's active during your scheduled alarm time. Turning off this feature may resolve the iOS 18/26 Beta alarm not working issue.

iOS 18/26 alarm not working? Try turning off "Do Not Disturb" Mode:

  • Open Settings and tap on Focus.
  • Select Do Not Disturb.
  • Toggle off the Do Not Disturb switch or schedule it to end before your alarm goes off.
    Do Not Disturb

Fix 5. Wait for Next iOS Update

Sometimes, bugs that cause alarm issues are resolved in subsequent iOS updates. If your alarm problem persists, waiting for the next iOS update may be the solution. Follow these steps:

  • Check for updates by going to Settings > General > Software Update.
  • If an update is available, tap Download and Install.
  • Allow your iPhone to update, and check if the alarm issue is resolved.

Fix 6. Reset All Settings

If none of the previous fixes work, resetting all settings might help. This won’t erase your data but will revert your settings to their defaults, which can resolve alarm issues.

To reset iPhone settings to fix iOS 18/26 alarm not working, check these:

  • Go to Settings > General > Transfer or Reset iPhone.
  • Tap Reset.
  • Choose Reset All Settings.
  • Enter your passcode if prompted, then confirm by tapping Reset All Settings again.
    reset all settings

Part 4. One-Stop to Fix iOS 18/26 Beta Alarm Not Working

If you’ve tried all the manual fixes and your iOS 18/26 Beta alarm is still not working, it might be time to consider a more comprehensive solution. This is where Tenorshare ReiBoot comes in.

Known for its ability to tackle a wide range of iOS issues, ReiBoot is an excellent tool for those who need a reliable fix without the hassle of technical troubleshooting. Whether it's stubborn alarm problems, system glitches, or update-related issues, ReiBoot handles it all efficiently and easily.

Why Choose Tenorshare ReiBoot?

  • Fixes 150+ iOS issues, including alarm not working.
  • No data loss with Standard Repair mode.
  • Easy to use, even for beginners.
  • Supports iOS 18/26 Beta and older versions.
  • Safe and trusted by millions of users worldwide.

Steps to Fix iOS 18/26 Beta Alarm Not Working with ReiBoot

Follow these simple steps to fix iOS 18/26 Beta alarm not working using Tenorshare ReiBoot.

  • Download and install ReiBoot on your computer. Connect your iPhone with the computer and launch ReiBoot. Click “Start Repair.”
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  • Click “Standard Repair” to fix iOS 18/26 alarm not working issue.
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  • Once ReiBoot finds a firmware for your iPhone, choose, and click “Download.”
    download firmware to fix alarm issue with reiboot
  • Click “Start Standard Repair.” for alarm not working error after iOS 26/18 update.
    fix alarm not working ios 26 with reiboot
  • Click “Done.” Then the iOS 26/18 alarm issues should be resolved, and your iPhone will be back to normal.
    repair successfully

[Video Guide] Fix iOS 17/18/26 Alarm Not Working with ReiBoot

Part 5. FAQs about iOS 26/18 Alarm Not Working

Q1: Why is my iPhone alarm not going off after updating to iOS 26?

Many users report that alarms in iOS 26 Beta either don’t sound or stop after 2–3 seconds. This may be caused by bugs, Attention-Aware Features, or other system conflicts introduced in the beta update.

Q2: Does the iOS 26 beta affect recurring alarms?

Yes, some users have noted that recurring alarms fail to ring consistently, especially those set for weekdays or early morning hours. Re-creating the alarm may resolve the issue.

Q3: Will restarting my iPhone fix the iOS 26/18 alarm issue?

Sometimes, a simple restart clears temporary bugs affecting the alarm. While not a guaranteed fix, it’s one of the first steps worth trying.

Q4: Are third-party alarm apps a reliable workaround?

Apps like Alarmy or Sleep Cycle are often recommended by users when the native iOS Clock app fails. These apps offer additional customization and may not be affected by iOS bugs.

Q5: When will Apple fix the iOS 26 alarm bug?

Apple has not officially acknowledged the bug, but fixes are typically rolled out in later beta versions or stable releases. Keeping your device updated is the best way to stay protected.

Conclusion

While the iOS 18/26 Beta update has brought some users unexpected challenges with their iPhone alarms, there are several effective solutions available to resolve the issue. All these methods can help you regain control of your device’s functionality.

If the problem persists,Tenorshare ReiBoot offers a reliable and efficient solution, addressing not only alarm issues but a wide range of iOS system problems.

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