Everything you need to know about your device.
CPU-Z is a free application that gathers information on all the main features:
Processor, cores, speed, model, system, battery, ram, storage, camera, sensors, etc.
CPU-Z for Android is a diagnostic utility that provides a wealth of accurate information about your system: Processor name and brand, architecture; Clock speed for each core, smartphone name and model, screen resolution, memory and available storage space. You can also get information about the status, temperature, or battery level. Finally, get a report of all the sensors embedded in your Android device with details on the precise values of each.