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If you have ever used older tools like , AirBender , or similar PS3 controller drivers, they must be completely uninstalled. Their remnants are a primary cause of the "Host Radio not found" error.
This error typically appears in the BthPS3 configuration tools or during installation, indicating that the driver cannot detect a compatible Bluetooth adapter to pair with the controller.
If prompted with the "Host Radio Not Found" warning again, click only if you are certain the native driver is active.
Look at your primary adapter. If it says , you need an update.
If your radio shows Status: Error or Problem: 28 (driver not installed), the binding failed. You may need to manually install the generic Microsoft Bluetooth driver:
Extract the folder, right-click dshidmini.inf , and select . Connect your controller via USB to pair it automatically.