Fitbit Product Experts Alumni are retired members of the Fitbit Product Expert Program. Learn more
Welcome to the Fitbit community, @Riaz-a!
Sad to hear that your Versa 4 isn't working as expected. Thanks for having taken the time to get things fixed by yourself.
As a final attempt ot hopefully get your device back to working order, please let it's battery drain to the point where it will shut off. Thenm give it a full charge to see if it will recover.
If that won't work for you, I'd suggest contacting Fitbit support for further assistance given the fact that your device, being 10 months old, is covered by Fitbit's warranty:
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Fitbit Product Experts Alumni are retired members of the Fitbit Product Expert Program. Learn more
You're welcome, @Riaz-a, thanks for reporting back.
I'm glad to hear that things could be sorted out by the support team.