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Appendix
188
The touchscreen responds slowly or improperly
•
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.
Your device freezes or encounters a fatal error
Try the following solutions. If the problem is still not resolved, contact a Samsung Service
Centre.
Restarting the device
If your device freezes or hangs, you may need to close apps or turn off the device and turn it
on again.
Forcing restart
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.
Resetting the device
If the methods above do not solve your problem, perform a factory data reset.
Launch the
Settings
app and tap
General management
→
Reset
→
Factory data reset
→
RESET
→
DELETE ALL
. Before performing the factory data reset, remember to make backup
copies of all important data stored in the device.
If you registered a Google account to the device, you must sign in to the same Google
account after resetting the device.
Summary of Contents for SM-A102U
Page 1: ...www samsung com User Manual English 10 2017 Rev 1 0 SM A102U ...
Page 11: ...Basics 11 Device layout ...
Page 19: ...Basics 19 ...
Page 20: ...Basics 20 ...
Page 21: ...Basics 21 ...
Page 23: ...Basics 23 ...
Page 115: ...Apps and features 115 ...
Page 116: ...Apps and features 116 ...
Page 149: ...Settings 149 ...
Page 150: ...Settings 150 ...