PhDoctor is a free utility that can be downloaded and used on Android mobiles. This utility is designed to check the hardware and software of your device before buying.

In this app, you can get a full report on your device. The report contains all the details of the device, such as the device's manufacturer, model, firmware, hardware version, RAM version, and so on.

You can also get the details of the device's hardware, such as the screen, the camera, the memory, the processor, the battery, and so on.

You can also get information about the device's software, such as the operating system, the version of the operating system, the type of the operating system, and so on.