Buttons Universal
Button 2 pin
Compatible with next model: Nokia 3100, 3200, 5100, 6100, 6230, 6230i, 6610, 7210, 7250i
Button 4 pin
Compatible with next model: Nokia 2720f Fold, 3100, 3109c Classic, 3110c Classic, 515, 520 Lumia, 5228, 6030, 6151, 6170, 620 Lumia, 6233, 630 Lumia, 630 Lumia Dual SIM, 6300, 6303c Classic, 635 Lumia, 6700c Classic, 7270, 8800 Arte, 8800 Arte Carbon, 8800 Arte Sapphire, 930 Lumia, C7, E51, E6, N81, N95, ...