Samsung Galaxy S I9000 Volume Button Ways Jumper
You can use this solution if the said button switches are not working or if you need a jumper solution.
Refer to the solution below to trace where each of the button switches terminals is being connected, so that you may can mend or apply a jumper wire on it if possible connection line paths is being cut-off or open circuit.
Note: Every repairing solution posted here is tested by at least one member of our team. Use the information available here at Your Own Risk. We are not responsible if any harm comes to your device during the repairing process.