Fitbit won't sync: How to fix Versa, Charge or Inspire - Wareable
Fix for Fitbit Charge 5 Bluetooth disconnection (data sync) coming soon
How to Set Up Your Fitbit Charge 2
FitBit Charge 2 Won't Sync
Charge 2 won't sync time - Fitbit Community
Solved: Charge 3 won't sync and won't pair after removing ... - Fitbit Community
How to turn on Fitbit's "all-day sync" feature | Love your Fitbit but hate how long it takes to sync with your phone app and show your stats? Use this hack.
Fitbit outage takes out sync for many users - 9to5Google
How to Fix Sync Issues for a Fitbit Charge 2 - Support.com TechSolutions