How to Fix iPhone Alarm Not Going Off


There’s nothing more frustrating than setting your alarm for an important morning only to sleep through it. An iPhone alarm not going off can cause you to miss appointments, be late for work, or throw your entire day into disarray. While iPhone alarms are generally reliable, occasional glitches can occur, preventing the alarm from sounding as intended. In this comprehensive guide, we’ll explore various solutions to help you get your iPhone alarm back on track, ensuring you never oversleep again.

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Check Your Volume Settings

One of the most common reasons for an iPhone alarm not going off is an issue with the volume settings. If your iPhone is on silent mode or the volume is too low, you may not hear the alarm, even if it’s set correctly.

Adjust the Ringer Volume

The first step in troubleshooting your iPhone alarm is to check the ringer volume. Here’s how:

Step#1.Go to Settings > Sounds & Haptics (or Sounds on older iOS versions).

Step#2.Ensure that the “Ringer and Alerts” slider is not all the way to the left (muted).

Step#3.Drag the slider to the right to increase the ringer volume to a level you’re comfortable with.

It’s worth noting that if you have your iPhone on vibrate mode, the alarm will still vibrate, but you may not hear any sound. To ensure you’re alerted audibly, make sure the “Vibrate on Ring” option is turned off.

How to Check for Headphone/Bluetooth Interference

If you’ve confirmed that your ringer volume is set correctly, but the alarm still isn’t sounding, it’s possible that a connected device is interfering with the audio output. Headphones or Bluetooth speakers can redirect the alarm sound away from your iPhone’s built-in speakers.

To resolve this issue, disconnect any connected audio devices and try setting the alarm again. Alternatively, you can go to Settings > Bluetooth and ensure that no devices are connected when the alarm is set to go off.

How to Adjust Your Alarm Settings

If you’re still having issues with your iPhone alarm not going off after checking the volume settings, it’s time to take a closer look at the alarm itself.

Set the Correct Alarm Time

Double-check that you’ve set the alarm for the correct time and day. It’s easy to accidentally set an alarm for the wrong time, especially if you’re in a hurry or distracted.

To verify or adjust your alarm time, follow these steps:

Step#1.Open the Clock app on your iPhone.

Step#2.Tap on the “Alarm” tab at the bottom.

Step#3.If you have multiple alarms set, find the one you want to check or adjust.

Step#4.Tap on the alarm to edit the time, repeat settings, and other options.

Enable Recurring Alarms

If you need to wake up at the same time every day, it’s best to enable recurring alarms. This way, you don’t have to set a new alarm every night, reducing the chances of forgetting or setting the wrong time.

To set a recurring alarm:

Step#1.Open the Clock app and tap on the “Alarm” tab.

Step#2.Tap the “+” button to create a new alarm.

Step#3.Set the desired time and tap “Repeat.”

Step#4.Select the days you want the alarm to repeat (e.g., weekdays, weekends, or specific days).

Step#5.Tap “Save” to save your recurring alarm settings.

How to Check for System Updates

Software updates can sometimes resolve issues with iPhone alarms not going off. Apple regularly releases iOS updates that address various bugs and improve the overall performance of your device, including alarm functionality.

To check for and install the latest iOS update:

Step#1.Go to Settings > General > Software Update.

Step#2.If an update is available, tap “Download and Install” to begin the process.

It’s crucial to keep your iPhone up-to-date with the latest software versions to ensure optimal performance and security.

How to Reset Your Alarm Settings

If you’ve tried all the above steps and your iPhone alarm is still not going off, it’s time to try resetting your alarm settings. This can help clear any potential glitches or corrupt data that may be causing the issue.

Restart Your iPhone

Sometimes, a simple restart can resolve minor software glitches that may be interfering with your alarm. To restart your iPhone:

Step#1.Press and hold the Side button (or Volume Down and Side buttons on newer models) until the “Slide to Power Off” slider appears.

Step#2.Slide the slider to turn off your iPhone.

Step#3.After a few seconds, press and hold the Side button again to turn your iPhone back on.

Reset All Alarms

If restarting your iPhone doesn’t fix the issue, you can try resetting all your alarms. This will delete any existing alarms and allow you to start fresh. Here’s how:

Step#1.Open the Clock app and tap on the “Alarm” tab.

Step#2.Tap the “Edit” button in the top-right corner.

Step#3.Tap the red “-” button next to each alarm to delete them.

Step#4.Tap “Done” to confirm the deletion.

Step#5.Set up your alarms again from scratch.

By resetting your alarms, you eliminate any potential conflicts or corrupted data that may have been causing issues.

Advanced Troubleshooting

If none of the above solutions work, there may be a more complex issue at play. Here are some advanced troubleshooting steps you can try:

Force Restart Your iPhone

A force restart can sometimes resolve persistent software issues that a regular restart cannot. Here’s how to force restart your iPhone:

For iPhone 8 and later models:

Step#1.Press and quickly release the Volume Up button.

Step#2.Press and quickly release the Volume Down button.

Step#3.Press and hold the Side button until the Apple logo appears.

For iPhone 7/7 Plus:

Step#1.Press and hold both the Side button and Volume Down button simultaneously.

Step#2.Keep holding until the Apple logo appears.

Reset All Settings

If a force restart doesn’t work, you can try resetting all settings on your iPhone. This will reset various settings to their defaults, including those related to alarms, without deleting your personal data.

Step#1.Go to Settings > General > Transfer or Reset iPhone.

Step#2.Tap “Reset” and then select “Reset All Settings.”

Step#3.Enter your passcode if prompted.

Step#4.Confirm the reset by tapping “Reset All Settings” again.

After the reset is complete, you’ll need to set up your alarms again, but any underlying software issues should be resolved.

Useful Table: Common Alarm Issues and Solutions

Here’s a handy table summarizing common issues with iPhone alarms not going off and their respective solutions:

Silent or Low VolumeIncrease ringer volume and disable silent/vibrate mode
Headphone/Bluetooth InterferenceDisconnect audio devices before alarm goes off
Incorrect Alarm TimeVerify and adjust alarm time in Clock app
Recurring Alarm Not SetEnable recurring alarm for desired days
Outdated iOS VersionCheck for and install the latest iOS update
Software GlitchRestart iPhone, reset alarms, or force restart
Persistent IssuesReset all settings or contact Apple Support


Having your iPhone alarm not go off can be incredibly frustrating, especially when it causes you to miss important events or appointments. By following the steps outlined in this guide, you can troubleshoot and resolve most issues related to your iPhone alarm. From checking volume settings and adjusting alarm times to resetting your device and updating your software, these solutions cover a wide range of potential causes.

Remember, consistency is key when it comes to setting alarms. Establish a routine for setting your alarms at the same time each night, and double-check the settings to ensure accuracy. Additionally, keeping your iPhone updated with the latest software can prevent potential bugs or glitches that may interfere with your alarm’s functionality.

If you’ve exhausted all the troubleshooting options and your iPhone alarm still isn’t going off, it’s recommended to seek assistance from Apple Support. They may be able to provide further guidance or identify any underlying hardware issues that may be causing the problem.

Waking up on time is crucial for maintaining a productive and organized daily routine. With the solutions outlined in this guide, you can regain control over your mornings and ensure that your iPhone alarm never fails you again.

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