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: These full-screen color tests help you spot dead pixels or backlight bleeding.
: Displays real-time data from the accelerometer, proximity sensor, and barometer. samsung galaxy diagnostics screen tool fixer
The fastest way to access the diagnostic screen is through the phone's keypad. This "General Test Mode" is used by technicians to verify hardware functionality. : These full-screen color tests help you spot
: This opens a grid. Trace your finger across all squares; if they turn green, your touch sensitivity is working perfectly. Sub Key : Tests the physical buttons on your device. if they turn green
