This firmware is only for DX5 Lite and is NOT applicable to DX5 nor any other models. If this firmware is flashed to other models, it will immediately cause the product to be unusable and unable to repair by yourself. If the firmware of your DX5 Lite is already V1.14, then your DX5 Lite needn't this update.
The firmware version of your DX5 Lite could be check at this tool.
What's updated:
Fix: Fix output pop noise or no sound after switching playback devices.
Firmware and tools for Windows: Download here (Firmware and tools for Windows: Download here (This update requires a Windows 10 or higher OS with driver installed. Drivers could be download here).
Firmware and tools for MAC: Download here
If you have questions about the update of your DX5 Lite, please contact us before updating this firmware.