Fitbit Charge HR Review: For Its Price, The Best All-Around Fitness Band - The Tech Edvocate
Fitbit Charge HR activity tracker review - The Gadgeteer
How to update Fitbit: Step-by-step guide - Wareable
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