| 摘要 |
A device is described which provides an external data link which can be connected to a mobile device to allow subsystems within the mobile device that otherwise would be unable to communicate to exchange data with each other. The device can be used in a mobile testing system for testing cellular and wireless networks and infrastructure using mobile devices. For example, the mobile devices may include both a programming environment capable of running a test application and internal diagnostics. A data relay mechanism is connected to the mobile device over a data interface, such that the test application running on the programming environment can send a receive data from the internal diagnostics of the mobile device over the data interface by using the data relay mechanism.
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