Phone Test

Phone Test is a best free app allows you to test all your device's hardware.
You want to buy a Android Phone or Android Tablet, but you do not make sure all that device's hardware is operating correctly.
Do not worry about that, Phone Test will answer your question.
Test the following:
+ INFORMATION +
- Model of device
- Brand of device
- CPU of device
- RAM of device
- Memory of device
- Telephony of device
- ...
+ TEST HARDWARE +
- Sound
- Vibration
- Microphone
- Brightness
- Screen
- Touch
- Camera
- Flash
- Sensor
- WIFI
- Bluetooth
- Battery