E50 version V1.06 firmware update
This firmware is only for E50 and is NOT applicable to 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 E50 is already V1.06, then your E50 needn't this update.
The firmware version of your E50 could be check at this tool.
Fixed the bug that the volume control is abnormal under certain circumstances.
Firmware and tools for MAC: Download here
If you have questions about the update of your E50, please contact us before updating this firmware.