Speaker test
Disconnect headphones and Bluetooth audio. Start at a low volume and listen for three clear tones.
Instructions
Channels follow the current audio route. This cannot identify a particular physical speaker or test call earpiece routing.
Use an up-to-date mobile browser: Chrome, Safari, Samsung Internet, Firefox or Edge. If opened inside another app, open this link in your regular browser. Feature availability varies; unsupported is not a failed test.
Your phone check report
Working results are confirmed by you. Unsupported or skipped checks are not failures. This is an observation report, not a hardware certification.