We have inspected your 3DS handheld system. The unit shows issues with the buttons and we can correct that by cleaning and repairing the button contacts to correct the issue. The cost for our repair to the units buttons, dissasembly, cleaning and reassembly with testing costs $54.95. To proceed, please checkout on the right hand side. If you would like us to not complete the repair, the estimate and inspection fee of $19.95 would be required in order to finalize the order reassembly and return with our inspection and diagnostic estimate.