How to Replace a Failing Bluetooth Board on the Sony WH-XB900N Bluetooth Headphone (DIY Repair Tutorial)
Do the lights on your Sony WH-XB900N wireless headphones turn on when connected to the charger, but the device fails to pair with your smartphone or tablet? Do you headphones suffer from weak or constantly dropping Bluetooth connections or lose wireless functionality altogether? If you’re experiencing any of these issues, replacing the Bluetooth board may restore stable wireless connectivity and normal operation.