You can self test all the hardware and software component of your mobile. A basic testing is possible with this application. This app is mostly useful to test your own mobile ( In case its not functioning well ) or other mobile before buying it.

Sensor testing : Following sensors can be tested using this application:
Barometer Sensor, Shake Sensor, Light Sensor, Compass Sensor, Step Sensor, Acceleration Sensor & Proximity Sensor

Hardware Testing: Following Hardware can be tested using this application:
Battery, CPU Specification, System Specification, Vibrator testing, Camera, Display and Headphone Jack & Mic Testing.

Storage Information : Details of Used RAM, Free RAM and total size of RAM. Internal and External storage details like total, used and free storage space.

Network and Wifi Testing : Network information like Service State, Cell Location, Call State, Connection State and Signal Level.

Sim Details : Complete information of Sim.

Step 1. Download Phone Doctor For Android Mod (Premium) APK file on HappyMod.com.
Step 2. Once it's downloaded, open Downloads, tap on the APK file, and tap Yes when prompted.
Step 3.Phone Doctor For Android Mod (Premium) APK will begin installing on your device. Simple.

Step 1. Download HappyMod APK file on HappyMod.com.
Step 2. Once it's downloaded, open Downloads, tap on the APK file, and tap Yes when prompted.
Step 3.Search Phone Doctor For Android Mod, click Download.
Step 4: You can download 100% working mods on HappyMod with one click.