Try phone vibration online and confirm the pulses you feel. Unsupported browsers remain unverified.
Hold the phone in your hand and start the vibration pattern. Count the pulses you actually feel. If the browser cannot vibrate, use the guided phone-settings fallback.
A vibration request is not proof that the motor moved. You confirm the physical response. Some browsers do not support vibration, so no response alone does not establish a hardware fault.
No camera, microphone or location permission is needed. Browser and phone settings affect vibration.
Results are saved only in this browser for up to 24 hours. This single test does not replace a complete used-phone inspection.
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