Samsung Galaxy Tab A 7.0 (2016) 8 ГБ черный (SM-T 280 NZKASER) Benutzerhandbuch

Appendix

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•  If you attach a screen protector or optional accessories to the touchscreen, the 

touchscreen may not function properly.

•  If you are wearing gloves, if your hands are not clean while touching the touchscreen, 

or if you tap the screen with sharp objects or your fingertips, the touchscreen may 
malfunction.

•  The touchscreen may malfunction in humid conditions or when exposed to water.
•  Restart your device to clear any temporary software bugs.
•  Ensure that your device software is updated to the latest version.
•  If the touchscreen is scratched or damaged, visit a Samsung Service Centre.

Try the following solutions. If the problem is still not resolved, contact a Samsung Service 
Centre.

If your device freezes or hangs, you may need to close apps or turn off the device and turn it 
on again.

If your device is frozen and unresponsive, press and hold the Power key and the Volume 
Down key simultaneously for more than 7 seconds to restart it.

If the methods above do not solve your problem, perform a factory data reset.
On the Apps screen, tap 

Settings 

→ Backup and reset → Factory data reset → RESET 

DEVICE 

→ ERASE EVERYTHING. Before performing the factory data reset, remember to 

make backup copies of all important data stored in the device.