Wifi and Bluetooth are the same chip so if wifi is working then probably the chip itself will be fine.is there bluetooth part can fix or replace inside nintendo switch v1 coz every time disconect joycon from console it is not connect wiresless or bluetooth same every nintendo switch. wifi is working fine so what happend!!!!
Check for damage around the metal CPU shield if you have a picofly/hwfly.
When removing the shield, there might have been some accidental damage to the PCB.
If found a picture for the OLED board but search the forum for other models.













