We have documented a detailed list of the ongoing issues affecting the WiiM Pro's hardware, firmware, and application. Rest assured, our committed team is tirelessly working to resolve these issues and will release updates as soon as possible. Interim solutions are available for certain problems, which you can implement immediately. We appreciate your patience and will continuously update this list with the latest solutions as they become available.



Estimated Fix Date

The red LED Light on the device is blinkingYour device appears to be faulty. For a replacement, please email us at support@wiimhome.com, including your Amazon Order ID and shipping address.None - request a replacement device
No sound is produced when connecting the TV to the optical input.To ensure sound playback, please verify the audio output settings on your TV are configured to 'Stereo PCM.' The optical input on WiiM Pro does not support Dolby or DTS audio formats. Sound won't be played if these formats are selected.Set the audio format that the WiiM Pro can support. 
Experiencing a crackling sound when connected to the WiiM Pro's Line Out.
This issue was resolved and marked as closed following the release of firmware version 4.8.609136 on Feb. 29, 2024.Fixed