Also fast and reliable repair of K310, K750 phones are only maked by this device. It's only one equipment that support all CD49 phones to unlock, flash withtou TestPoints. It's comes with all functionality of SE-Tool 2 and with extra new features like more support for K750 and support w800, F500C, K300i, F500i, U8110, U8120 and Sharp phones. SE Tool Box 3 are new version of SeTool2 Card.