There are provided systems and methods for mobile device diagnostics and provisioning, whereby connections are effectuated to communicate directly with hardware of mobile devices to perform diagnostics and other functions such as device erasure without the need to first install an app on the mobile device. In this manner, information such as detailed product identification, vendor identification, and diagnostic information may be quickly obtained from the mobile device, and diagnostics and erasure undertaken to return a previously owned device into the stream of commerce in an efficient manner.