If one or more of your buttons have stopped responding then this can be caused by a faulty conductive film in your PSP1000 console, fortunately this can be replaced for a fraction of the cost of a new console.
These conductive sticker contacts stick onto the PCB board under the Direction Pad buttons, the console must be opened to install, replacing the conductive pad requires technical internal fitting.
Brand NEW and Unused from Factory that has never been used, this is a third-party accessories.
Compatible with PSP 1000 100x console series, NOT fit for PSP 2000 or PSP 3000 series.