#StackBounty: #wifi #pi-4 #hotspot Raspberry Pi 4 won't connect to hotspot created by laptop running ubuntu 20

Bounty: 50

I am working on a project where I need to connect my RPi 4 to a laptop hotspot. Everything was running OK when I had Ubuntu 18 LTS installed on laptop. After I switched to Ubuntu 20 LTS, RPi 4 won’t connect to it.

I tried connecting RPi 4 to other Wifi networks and to hotspot created with Ubuntu 18 and it worked flawlessly. I tried connecting RPi 3B to the same Ubuntu 20 LTS hotspot and it worked to. So only RPi 4 won’t connect to hotspot with Ubuntu 20.
I am running Raspbian headless and I tried reinstalling it and still doesn’t work. Tried switching a Wifi channel hotspot is running on and no luck. Since I have only two RPi 4 I tried with both of them and got same results.

Does anyone have any idea what is happening?
Where is best to look for some Wifi log files?
Appreciate any help.

Get this bounty!!!

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