An example of an apparatus including a communication interface to receive telemetry data from a client device. The telemetry data includes a resource capacity and a usage level. The apparatus further includes a grading engine to generate a scoring map. The apparatus also includes a diagnostic engine in communication with the communication interface and the grading engine. The diagnostic engine is to generate a score based on an application of the scoring map on the telemetry data. The apparatus also includes an upgrade engine to implement an upgrade at the client device based on the score.