I have an old 68U that a friend of the family uses and I'm looking to set it up with the latest Merlin FW. When I set it up 2-3 years ago, it was done with pre-378.55 FW.
What are the steps I need to upgrade to the latest. I presume I can't just go from something that old to the latest.
What are the steps I need to upgrade to the latest. I presume I can't just go from something that old to the latest.