Guys, feel free to watch the following camera comparison. You will feel that Note 10 plus still better than S20 Ultra in a lot of aspects. Hope software update can save S20 Ultra.

https://www.youtube.com/watch?v=kgbz5KbIatI&t=1s

https://www.youtube.com/watch?v=6jzsZrwIOFE

I think you are talking about 2.1.
Maybe this month will get.

I have to put all app to sleep, except whatsapp only
Sot now is 8 hours.

Previously when the phone is new, probably sot 3 hours only. Dint have the accucharge app last time.
Main culprit is google browser

Sorry not disable, I put them to deep sleep.
Under setting  battery

To access recovery mode on One UI 3: https://www.naldotech.com/how-to-boot-into-...3-0-new-method/

1. Press and hold the power button. Tap on Power off. The phone will turn off.
2. Make sure the phone is completely off.
3. Take a USB cable, and connect one end to your computer and the other end of the cable to your phone. OR Alternatively, you can insert the AKG headphones into the USB Type C port of the phone.
5. Press and hold the volume up and power keys at the same time.
5. Keep the keys pressed and release them only when you see the Samsung boot animation logo.
6. The phone will go into recovery mode in just a few seconds.

Try when you on share screen, tap and hold down apps icon
See got Pin or not

FineLock available in PlayStore 
indeed... so far monitoring UAG plyo... not yet yellowish 
GoodLock modules can be applied using FineLocks... and yes some modules need force run due to UI3.0 update, expected modules update in Feb 2020    maybe can check each modules from time to time if earlier update release 

Yup wait February for update