I would recommend waiting for the next beta release. If Garmin pulled 5.66 I would avoid it.
Surprise surprise. A ransomware or two will not change the policy of this company. Absolutely no communication with the people who feed them. Silence.........as always.
There must be a good reason, as aweatherall says: "I would recommend waiting for the next beta release. If Garmin pulled 5.66 I would avoid it. " for Garmin to pull back these beta-releases. Why are…
https://forums.garmin.com/sports-fitness/cycling/f/edge-1030/234461/new-edge-1030-public-beta-9-68-now-available/1111755#1111755
If you read the .68 thread on the Edge 1030, .66 bricked Devices. This seems to be the reason why they pulled the plug on 5.66 for 830.
If you can provide the file, do you also have the changelog for it?