The RTL8852 module needs to be connected to two antennas, otherwise the signal will be poor and it will not be able to connect to WIFI/BlueTooth.
Settings -> Network & internet -> Internet -> Wi-Fi turned on -> Enter Wi-Fi password -> Normal WiFi Internet access
Bluetooth can connect headphones to play music, connect to a mobile phone to send files, etc.
Example: Transfer pictures via Bluetooth connection to mobile phone
Settings -> Connected devices -> Pair new device -> Select the device you want to connect -> Send the picture from your phone -> Confirm acceptance and download the picture -> View the picture