Over time, headphone wires can deteriorate, causing audio interruptions, noisy feedback, and other problems. It is possible to fix a wiring problem with a headphone jack repair, which involves cutting off the plug, stripping the wire of its outer casing and insulation, and rewiring the plug.
You will need some basic tools, including wire cutters, electrical tape, a soldering iron, and materials—namely soldering wire and flux. You may also need a 3.5mm jack replacement if the current one is damaged.
Before continuing, you will need to assess the headphones to identify the location of the damage. If the damage is somewhere along the wire, the fix is simple. If the damage is located at the headphone jack or plug, then you will need to replace the entire thing.