How to Calibrate the Compass on Android to Improve Device Location Accuracy Share February 18, 2020 Dm4r Technology Google Maps uses your Android device’s magnetometer to determine which direction you’re heading. To improve your device’s location accuracy, you need to calibrate your compass in the Google Maps app. Here’s how. Read This Article on How-To Geek › Source : How to Calibrate the Compass on Android to Improve Device Location Accuracy