Browser-based phone test
Speaker Test
Play low-volume left, right and center tones, a sweep and volume steps. Basic channel routing and whether the speaker produces audible tones. It cannot establish maximum safe loudness or the bass capability of every speaker.
Interactive test
Everything runs locally. Nothing is recorded, uploaded or stored.
How to use it
Run the test in portrait or landscape, follow the on-screen instructions and use the visible Exit control or Escape to leave fullscreen. Results describe what this browser session delivered; they are not a replacement for a repair inspection.
Check your phone's real specs →Frequently asked questions
What does the Speaker Test check?
Basic channel routing and whether the speaker produces audible tones.
Does this prove the phone is perfect?
It cannot establish maximum safe loudness or the bass capability of every speaker.
Is anything uploaded?
No. The test runs in your browser and does not record, save or upload test media.