How to Update a Fitbit Alta Activity Tracker - Support.com TechSolutions
How to Update Fitbit Firmware (2020) - YouTube
Solved: Charge 3 Firmware Release - 1.88.11 - Fitbit Community
Maybe it's just me…. But since the new firmware update my Fitbit has not read my heart rate unless i reboot or reset the whole thing. Even then it doesn't last long. :
How to update Fitbit Charge 5 (OTA and Firmware) [Easy]
Solved: Fitbit OS 4.2.2 - Firmware Release - Versa, Versa ... - Fitbit Community
Fitbit Sense 2, Versa 4 get first software update with new features and bug fixes - GSMArena.com news