User Manual - Page 27

For SM-A415FZKDEUA. Also, The document are for others Samsung models: SM-A415F, SM-A415DSN

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Basics
27
Understanding the screen
Controlling the touchscreen
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Do not allow the touchscreen to come into contact with other electrical devices.
Electrostatic discharges can cause the touchscreen to malfunction.
•
To avoid damaging the touchscreen, do not tap it with anything sharp or apply
excessive pressure to it with your fingertips.
•
It is recommended not to use fixed graphics on part or all of the touchscreen for
extended periods. Doing so may result in afterimages (screen burn-in) or ghosting.
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The device may not recognise touch inputs close to the edges of the screen, which
are outside of the touch input area.
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It is recommended to use fingers when you use the touchscreen.
Tapping
Tap the screen.
Tapping and holding
Tap and hold the screen for approximately
2 seconds.
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