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WiFi not working on Ubuntu 20.04

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Posted at 11/23/2021 21:03:20     
I'm testing the Ubuntu 20.04 image (ROC-RK3566-PC-UBUNTU20.04-GPT-20211012-1456), and am having trouble getting the WiFi network adapter to work. It detects the device as wlan0, but I can't seem to get it connecting. I've tried setting up a wpa_supplicant.conf file, but that didn't get picked up. With nmtui, there is no wireless network. Adding it manually doesn't seem to work either. Any assistance would be appreciated.
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Posted at 7 day before     
Can you provide some logs? Like dmesg or syslog when you try to connect wifi
Make sure your device has an antenna.
Check /vendor/etc/firmware/, which file is nvram.txt link to?
For example: If your device is using AP6255(you can see it on the wifi module of your device)
then the nvram.txt should link to nvram_ap6255.txt, otherwise, wlan0 can't detect any AP

use command to connect to AP:
nmcli dev wifi connect APName password 123456
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