Troubleshooting
Your device displays network or service error messages
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When you are in areas with weak signals or poor reception, you may lose reception. Move to another area and try again.
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The touch screen responds slowly or improperly
If your device has a touch screen and the touch screen is not responding properly, try the following:
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Remove any protective covers from the touch screen. Protective covers may prevent the device from recognising your inputs and are not recommended for touch screen devices.
Ensure that your hands are clean and dry when tapping the touch screen.
Restart your device to clear any temporary software bugs. Ensure that your device’s software is upgraded to the latest version.
If the touch screen is scratched or damaged, take your device to a Samsung Service Centre.
Your device freezes or has fatal errors
If your device freezes or hangs, you may need to close applications or reset the device to regain functionality. If your device is still responsive and an application is frozen, close the application with the task manager. If your device is frozen and unresponsive, press and hold the Power key for
If this problem persists, perform a factory data reset. In the application list, select Settings → Back up and reset → Factory data reset → Reset device → Erase everything.
Troubleshooting
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