This article will show you how to upgrade firmware via soundcore App.

You will be informed once a new firmware version is detected when you connect the earbuds to the soundcore app. Ensure the earbuds are placed in the charging case and the case remains open until the firmware update is complete. During the update, ensure the earbuds are being charged and avoid using them.

If it can't be upgraded successfully, please try the following:

1. Make sure your earbuds have enough power.

2. Uninstall and reinstall your soundcore app.

3. Try updating your firmware with a different Bluetooth device in a good network environment to see if it helps at all.

If you encounter any other issues or your issue has not been resolved, please contact us for further assistance.