Charge 5 heart rate not accurate

[Marcin-1111221]

Hi.

Got my Charge 5  was great for few days.

Now the heart rate shows 80 and then it will show 120 for example, its just all over the place, very inaccurate.

I tried moving fitbit up and down the arm, i tried my other arm, did restart the device twice, did clear the user data, removed and added it to the app.

Not sure what else can I try , the firmware is up to date.

The only thing that had change , is that I shaved my arm hair , in the place where Fitbit was. I was hoping it would read better.

And i haven't wear it for 2 days.

After this the heart rate reading started acting up.

Thanks 

Moderator edit: subject updated for clarity

[DavideFitbit]

Hi, welcome to the Fitbit Community forums, @Marcin-1111221. 

Thank you for sharing all these details about the inconvenience you've been having with your Charge 5 and for confirming that you already tried a few troubleshooting steps. 

It seems that you already tried all the basic steps shared in the Community forums. I've been informed that you already contacted the Customer Support team for further assistance with this. In this case, they will let you know how to proceed. 

Have a good day.