Looking for logging into the Fitbit Error 0 site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Fitbit Error 0 site. After that you can login as usual with your login credentials.
https://community.fitbit.com/t5/iOS-App/Login-error-0/td-p/2076611
https://community.fitbit.com/t5/iOS-App/RESOLVED-Failed-login-and-account-setup-quot-Error-403-quot/td-p/2972574/page/2
https://community.fitbit.com/t5/iOS-App/Can-t-Log-Into-App/td-p/929680/page/5
https://community.fitbit.com/t5/iOS-App/App-won-t-let-me-log-in/td-p/1112686/page/3
https://community.fitbit.com/t5/iOS-App/Unable-to-set-up-tracker-on-iOS-see-HTTP-error-0/td-p/2203493/page/3
https://community.fitbit.com/t5/iOS-App/Unable-to-login-on-IOS-app-Networkbitkit-HTTPError-error-1/td-p/2159776/page/3
https://community.fitbit.com/t5/Fitbit-Coach/Validation-has-failed-error-message/td-p/2680480/page/2
http://downdetector.com/status/fitbit
https://twitter.com/fitbitsupport?lang=es
https://play.google.com/store/apps/details?id=com.fitbit.FitbitMobile&hl=en_US
https://support.strava.com/hc/en-us/articles/216918087-Fitbit-and-Strava
https://www.ifixit.com/Answers/View/344166/Correct+time+cannot+be+set+on+my+Fitbit
https://www.amazon.com/stores/Fitbit/Fitbit/page/8C0C1BB6-B75A-4447-B068-50D4FE8F070C