iPhone Duo Troubleshooting Taptic Engine and Haptic Feedback Issues
Guided steps to help resolve issues
Identify issues
Read the relevant support articles if you notice the following issue:
iPhone doesn’t vibrate when expected
Relevant support articles
If the issue wasn’t resolved by following a support article, continue to the next section.
Try the quick troubleshooting step
Restart the iPhone. If the iPhone doesn’t restart, try to force restart the iPhone.
Run manual tests
If the issue wasn’t resolved by following a support article or trying the quick troubleshooting step, run these manual tests to help isolate the cause of the issue:
Test the Ring setting.
Set the iPhone to Ring in Control Center.
Use another phone to call the iPhone.
Listen to the iPhone and feel it while it’s ringing. The iPhone should emit a ringtone and vibrate.
End the call.
Test the Silent setting.
Set the iPhone to Silent in Control Center.
Use another phone to call the iPhone.
Listen to the iPhone and feel it while it’s ringing. The iPhone should vibrate but not emit a ringtone.
End the call.
Open and inspect the iPhone
If the issue wasn’t resolved or isolated by following support articles, refer to the iPhone repair manual to open and inspect the iPhone. A damaged or out-of-place part may be causing one of the issues.
Inspect all relevant internal cables and connectors for damage or tampering, such as a film or foreign material blocking a connector.
Note: This section requires ordering parts and tools. Replacing a part may not resolve the device’s issue. You can find other service options at support.apple.com/repair.
Replace the part
If the issue wasn’t resolved or isolated by following the previous steps, replace the Taptic Engine.
After the repair is completed, turn on the device and verify Taptic Engine functionality.
Note: This section requires ordering parts and tools. Replacing a part may not resolve the device’s issue. You can find other service options at support.apple.com/repair.