Test my touchscreen
Check every region responds — including multi-touch.
A grid covers the display; touch every square until it's filled in. This tracks every simultaneous finger, so it can catch dead zones a quick tap-around might miss.
What this test does
What we test: Whether every region of the touch digitizer registers a touch, tracking every simultaneous finger.
What you do: Touch every square in the grid until it's all filled in.
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