Given the problems caused by the latest software update is there a way to go back to the previous OS?
Thanks
Taibot
I'm interested in it too
Also interested, the 6.20 totally ruined the battery...
would like to know aswell. 6.20, and the watch is literally unusabe, freezing during activities, during the day, my language (hungarian, which was the watch set before) disappeared, and now the only option is english...
forums.garmin.com/.../firmware-software-4-20-for-645-non-m