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If an Apple Watch app will not open or stops responding, quit it and reopen it first. If that does not help, restart the watch and paired iPhone, then check for a compatible watchOS update and follow Apple’s update requirements. Reserve force restart, unpairing, and service for persistent problems, especially when the watch itself is unresponsive.
The right path depends on the symptom:
| What is failing? | Start here |
|---|---|
| One app freezes or will not open | Quit and reopen it; if the problem persists, contact its developer. |
| Several apps or the watch are not working right | Restart the watch and paired iPhone, then check for a watchOS update. |
| The entire watch is unresponsive | Use a force restart only if normal controls do not work. |
| A software update cannot be verified | Check the internet connection, restart and retry, and free storage if needed. |
1. Quit and reopen the unresponsive app
Apple Support recommends quitting and reopening an unresponsive app as a first step. This is less disruptive than restarting or unpairing the watch.
- From the affected app, hold the side button until the sliders appear.
- Press and hold the Digital Crown until the watch face returns.
- Open the app again and check whether it responds.
If the app remains unresponsive, continue with the device-level steps below. If the problem is isolated to a third-party app, identify the app and watchOS version when contacting its developer.
2. Restart Apple Watch normally
A normal restart is the next step when the watch responds to its controls. Apple advises not restarting the watch while it is charging.
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- Hold the side button until the sliders appear.
- Tap the power control, then drag the Power Off slider.
- After the watch turns off, hold the side button until the Apple logo appears.
When it has started, open the affected app again.
3. Restart the paired iPhone
Apple recommends restarting both the Apple Watch and its paired iPhone when something is not working right. Use the normal shutdown and restart controls for your iPhone model, then try the app on the watch again.
4. Check for a watchOS update
Some iPhone updates require a corresponding watchOS update. On the paired iPhone, open Watch > My Watch > General > Software Update and check whether an update is available for your devices. Check compatibility before proceeding.
5. Check compatibility and prepare before updating
Apple’s current guidance lists watchOS 26 as compatible with Apple Watch SE 2 and later, Series 6 and later, and Ultra and later. Updating to watchOS 26 requires an iPhone 11 or later, or an iPhone SE (3rd generation) or later, with iOS 26. Availability can vary by model and region; check Apple’s current compatibility guidance before publication or updating.
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Before starting an update:
- Update the paired iPhone to the latest iOS available for it.
- Connect the iPhone to Wi-Fi and keep the devices near each other.
- Make sure the watch has at least 50 percent charge.
- Leave the watch on its charger during installation.
A compatible Apple Watch magnetic charging cable is relevant to keeping the watch on its charger during an update; it is not a fix for an app problem. Follow the charging instructions for your watch.
6. Let the update finish without interruption
While an update is in progress, do not restart the iPhone or watch or close the Watch app. Apple says installation can take several minutes to an hour. Allow it to complete before troubleshooting further.
7. Free storage if an update cannot be verified
If an update cannot be verified, Apple advises checking internet connectivity, restarting and trying again, and freeing storage if needed. Remove synced music or photos you no longer need, and remove apps only if necessary. Retry the update after making space.
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8. Unpair and pair again only after simpler update remedies fail
Unpairing is an advanced escalation, not an initial fix for one frozen app. Apple’s guidance for an update that cannot be verified describes unpairing, setting up the watch as new, and trying the update again. You can restore from a watch backup by repeating setup and choosing the restore option.
Because unpairing and setup take time and may require restoring settings and apps, use this step only after simpler update remedies fail. Do not assume that it is necessary for an app-specific problem.
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If the problem remains limited to one third-party app after basic steps, contact the app’s developer. Provide the app name and watchOS version. For persistent device-level problems, use Apple Support. If the watch remains stuck on the Apple logo after a force restart and re-pair attempt, Apple advises getting service.
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Force restart only if normal controls do not work
A force restart is different from a normal restart. Apple says to use it only if the watch cannot be turned off normally or the problem continues. Do not force-restart the watch to interrupt an active software update.
- Press and hold the side button and Digital Crown together for at least 10 seconds.
- Release them when the Apple logo appears, then wait for the watch to start.
Fast decision guide
- One app is stuck: quit and reopen it. If the issue persists, contact the app developer.
- Several things are not working right: restart the watch and paired iPhone, then check for a compatible watchOS update.
- The watch is unresponsive: force-restart it only if normal controls do not work.
- An update cannot be verified: check internet connectivity, restart and retry, then free storage if needed.
- The watch remains stuck on the Apple logo: follow Apple’s recovery guidance and seek service if it stays stuck after a force restart and re-pair attempt.
FAQ
How do I quit and reopen an Apple Watch app that is not responding?
From the app, hold the side button until the sliders appear, then press and hold the Digital Crown until the watch face returns. Open the app again.
Should I restart my iPhone as well as my Apple Watch?
Yes. Apple recommends restarting both devices when something is not working right. Restart them using their normal controls, then try the app again.
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Can I force-restart my Apple Watch during a software update?
No. Do not interrupt an active update. Apple says to force-restart only if the watch cannot be turned off normally or the problem continues.
What should I do if an Apple Watch update cannot be verified?
Check internet connectivity, restart and retry, and free storage if needed by removing synced music or photos and, if necessary, apps. Unpairing and pairing again is an advanced step after simpler update remedies fail.
When should I contact the app developer or Apple?
Contact the developer when a problem remains isolated to a third-party app. Seek Apple Support for persistent device-level trouble; Apple advises service if the watch remains stuck on the Apple logo after a force restart and re-pair attempt.
The Bottom Line
Quit and reopen an unresponsive app first, then restart the Apple Watch and paired iPhone. Check update compatibility and follow Apple’s preparation instructions; use force restart, unpairing, or service only for persistent problems that call for those steps.
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