How to Replace the Left and Right Hinge Swivel Assemblies on the Sony XM4 Wireless Bluetooth Headphones (DIY Repair Guide)
Are the left and right hinge swivels on your Sony WH-1000XM4 wireless Bluetooth headphones broken or loose? Do the earcups feel unstable, rotate unevenly, slide out of position, or show cracks around the hinge joint? If you’re experiencing any of these symptoms, the hinge and swivel mechanism may be worn or damaged and due for replacement.