Yep, I have same problem.
No matter what I do wakelock issue is still presists. Tipical solutions for that kind of wakelocks (wifi settings, gapp's activity and etc.) don't resolve problem.
For my case phone is using for navigation only so it doesn't have SIM card plugged in and for winter season I don't need to use it at all. And just laying on table for 2 days draining my battery to 0%. If I turn it off it last for very long time so it's obviously don't battery capacity/quality issue.
Seller dont want to repair or agree on refound becouse he thinks it normal behavior for smartphone.
So I think it's wery important at that moment that official manufacturer can confirm issue is there and take a look in it.
P.S.: My stats

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