Sense stuck on Fitbit logo

[GoSo]

Sense will not connect or reset. Only shows a flashing arrow and foreign language.

Moderator Edit: Clarified subject

[FatimaFitbit]

Hi there @GoSo! It's great to see you here in the Fitbit Community!

Thanks for sharing with us the situation you're having with your Sense. 

I suggest you try to follow these steps:

1. Update the Fitbit App to 4.28.3
2. Open the Fitbit app. On the Today tab, tap on Devices (Device icon, top left).
3. Go to Android Settings, Bluetooth (Connected Settings), and "Forget" any Fitbit Trackers/SmartWatches if any are shown.
4. Restart your phone.
5. Open the Fitbit app and re-add the SmartWatch (via the Devices icon, top left). How do I set up my Fitbit device? 
6. From the Fitbit app, Today tab, Tap or Hold near to the top of the screen and then drag down to perform a manual sync.