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Wrist heart rate

Hello to all, 

My Venu has a problem now, 

After the recent updates (but maybe that is not the cause) my WHR is not functional. 

I tried on and off, reset and data erase, I did also the hard reset. But the WHR and all other, respiration, OX, stress, and body battery is dead. 

What I also noticed, the battery life is very bad, it lasts for just a few hours, with the same settings as before. Before the battery life was around 4 days. 

Thanks in advance.