What to do if there is no sound when using the Xiaomi OpenWear Stereo Pro for calls?

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Accepted Answer

If there is no sound when using the Xiaomi OpenWear Stereo Pro for calls, please follow the steps below to troubleshoot:
1. Ensure that [Phone calls] is enabled on your phone and then try the call again.
2. Check the call volume and increase it if it is too low.
3. Verify that the call audio is routed to the earphones on your phone.
4. If the earphones are connected to two devices simultaneously, audio channels can be occupied. Disconnect the other device and try again.
5. A corrupted Bluetooth cache can cause call audio issues. Clear the Bluetooth cache, restart your phone, and re-pair the earphones.
6. Outdated firmware could cause system bugs affecting call audio. Update the earphones to the latest firmware.
7. Reset the earphones and reconnect them to your phone.
8. If none of the above steps resolve the issue, the earphones could have a hardware problem. Please contact the after-sales service center for inspection and assistance.