Samsung SM-C105 User Manual page 167

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Troubleshooting
Your device displays network or service error messages
• W hen you are in areas with weak signals or poor reception, you may lose reception. Move
to another area and try again.
• Y ou cannot access some options without a subscription. Contact your service provider for
more details.
The lens barrel does not retract even when the power is off
When you turn the power off while holding the lens barrel, the lens barrel may not be able
to retract into the body. If this happens, do not force the lens barrel into the body. Take the
device to your local Samsung Service Centre.
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:
• R emove 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.
• E nsure that your hands are clean and dry when tapping the touch screen.
• R estart your device to clear any temporary software bugs.
• E nsure that your device software is upgraded to the latest version.
• I f the touch screen is scratched or damaged, take it to your local Samsung Service Centre.
Your device freezes or has fatal errors
If your device freezes or hangs, you may need to close programs or reset the device to regain
functionality. If your device is frozen and unresponsive, press and hold the Power button for
more than 7 seconds. The device reboots automatically.
If this does not solve the problem, perform a factory data reset. On the Applications screen,
tap Settings → Accounts → Backup and reset → Factory data reset → Reset device →
Erase everything.
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