Do I need this stick to do firmware updates? Philip Cowles March 30, 2018 17:07 Follow To do a firmware update on a PC, you will need to purchase the BlueGiga Dongle separately. Related articles Does this ANT+ stick work with Zwift? What is a BlueGiga Dongle? Is the trainer skewer safe to use on the road? Will this ANT+ stick read sensors from companies other than CycleOps? Do I need a BlueGiga Dongle to update my smart trainer’s firmware? Comments 0 comments Please sign in to leave a comment.