Did I just brick my Fitbit? Followed instructions for the firmware update, had a full battery and kept it next to my phone. Firmware update failed and now my Fitbit is stuck
General Fitbit Troubleshooting Techniques - dummies
Fitbit Charge 3 review | Tom's Guide
Fitbit Charge 3 receives an update with Charge 4 features - GSMArena.com news
Fitbit Charge 3 vs Fitbit Charge 4: choose the right fitness tracker for you | TechRadar