So what is calibration? This is action will reset sensors on your device and after calibration them will work accuracy. I tested on Xiaomi, HTC, Sony, Samsung Galaxy phone run perfect.

#Features:
Calibration sensor
Test sensors
Test compass

If you feel this app useful, please rate and comments. Thanks you!

Pro version without ADS: https://play.google.com/store/apps/details?id=com.phongphan.calibration.pro