How do I get started with Fitbit Versa Lite Edition?
Fitbit OS 5.2.1 update for Versa 3 & Sense provides little-to-no bugfixes
Fitbit OS 5.2 update brings more health stats to Versa 3 and Sense - CNET
Fitbit smartwatch update: Watch face switcher, improved Sleep Score
Amazon.com: Fitbit Versa 2 Health and Fitness Smartwatch with Heart Rate, Music, Alexa Built-In, Sleep and Swim Tracking, Black/Carbon, One Size (S and L Bands Included) : Electronics