Individual or multiple components of the Westcott lighting system may be updated to increase functionality, enhance performance or add new camera systems to the compatibility list. If you are updating a Westcott light or trigger, check the firmware updates at fjwestcott.com to ensure you have the latest dated version of the firmware on all of your lighting gear. Note that firmware updates on one unit may require that the other component be updated in order for the two to continue to communicate accurately. Firmware versions may not run in sequence. Simply make sure you have the most current dated firmware on your gear for the best performance.