We have upgraded our firmware which makes your PDU much secured. We have updated it to 3.X.X from 2.0.6.7 hence you would need to update your PDU first with the bridge firmware and then to the latest firmware. To Update your PDU to bridge and then to the latest firmware, your PDU should be at 2.0.6.7 or 2.0.7.4 version. For more elaborative information, please click on the video link. Contact us in case of any further questions