Tap on the gear icon in the top-right corner to open the Settings screen.


Use the drop-down to change the display language. The choices are:


Simplified Chinese


Screen calibration for the battery test

Screen brightness has a significant effect on battery life. To produce comparable results, you should calibrate every device you test to the same screen brightness. Tap this screen to open a white screen to use during calibration. See how to benchmark the battery life of your mobile device for more details.

Version numbers

This part of the Settings screen shows the version number of the app and each installed benchmark.

Customer support

Tap the REPORT A PROBLEM link if you would like to contact our support team.