https://forums.garmin.com/sports-fitness/sports-fitness/f/forerunner-645-645-m/329221/upgrade-from-fr645m/1609702
Upgrade from FR645M? - Forerunner 645/645 M - Sports & Fitness Archive - Garmin Forums
m sportsupgradeforerunner
https://forums.garmin.com/sports-fitness/sports-fitness/f/forerunner-645-645-m/332348/how-to-roll-back-fr645m-watch-firmware-from-7-20-to-the-previous-one/1645120
How to roll back FR645M watch firmware from 7.20 to the previous one? - Forerunner 645/645 M -...
After updating the firmware to 7.20, I have several problems: 1. Voice notifications do not work (I tried to change the system language - it did not help) 2
https://forums.garmin.com/sports-fitness/sports-fitness/f/forerunner-645-645-m/324558/battery-drain-with-software-update-to-7-2-on-fr645m/1579120
Battery Drain with Software Update to 7.2 on FR645M - Forerunner 645/645 M - Sports & Fitness...
Has anyone had a battery drain issue with the new update (7.2) on the FR645M. It updated automatically yesterday and completely drained my battery from 50% to...