Firmware v2.0.0 --------------- This firmware version 2.0.0 update includes important enhancements such as support for infrared Pronto codes, bug fixes, and improved system performance. However before upgrading your device, please read the Important Firmware Upgrade Notice below. IMPORTANT: Firmware Upgrade Notice! ----------------------------------- Firmware version 2.0.0 or greater for this device will only operate correctly with compatible devices that are also running the same firmware version 2.0.0 or greater. For customers with existing installations that include compatible devices (see list below of compatible devices) with older firmware versions, please follow only one of the following two options for all compatible devices: 1. Either, upgrade all existing compatible devices to firmware version 2.0.0 or greater, including the 500811 software to version 2.0.0 as well. The 500811 should be upgraded first. 2. Or, downgrade any newly purchased compatible device(s) with version 2.0.0 installed, to a firmware version lower than 2.0.0. Note that the 500811 software upgrade version 2.0.0 supports this new device firmware version 2.0.0 and greater, and also supports the older versions, plus it supports two new models which are the 500778 and 500777-RX. Firmware versions for compatible devices are available at the following MuxLab website link: https://muxlab.com/support?section=software-and-firmware Compatible devices include the following TX (Transmitter) and RX (Receiver) models: 500758, 500759, 500770, 500771, 500773, 500777, 500778