G5 version V1.50 firmware update
This firmware is only for G5 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 G5 is already V1.50, then your G5 needn't this update.
The firmware version of your G5 could be check at this tool.
The filter changed from Fast roll off minimum to Fast roll off linear.
Firmware and tools for MAC: Download here
If you have questions about the update of your G5, please contact us before updating this firmware.