Touchscreen

Drag your finger across the screen to fill in each square, using up to 2 fingers on Android, or as many at once as you want on iOS. As you touch these areas, they should turn green, and an orange line should follow your touch wherever you draw with it. You can use the orange line to draw on areas where no squares appear, to test even niche parts of the screen. This test has a timer, the length of which you can change in your Diagnostics Settings.

Pass: This test passes when all squares have been turned green.

Fail: This test fails if the timer runs out without the test having been completed. You can also manually fail this test by pressing the volume down button.