The TestM diagnostic tool allows the user to be updated at any time in the device mode. Offering over 24 various of tests to analyze your device. With a simple touch screen interface you can optimize the performance of the device, you can get information about the condition of the device and thus you can streamline your operation with the device. At any given time, you will know whether it is a malfunction or to know your continued activity. The app will give you confidence in purchasing a new device when you sell your existing device or in front of the various cellular labs and stores.