Samsung 7.0 사용자 설명서
Troubleshooting
105
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
8-10 seconds. The device reboots automatically.
If this does not solve the problem, perform a factory data reset. On the Applications screen,
tap Settings
functionality. If your device is frozen and unresponsive, press and hold the Power button for
8-10 seconds. The device reboots automatically.
If this does not solve the problem, perform a factory data reset. On the Applications screen,
tap Settings
→ Backup and reset → Factory data reset → Reset device → Delete all.
Calls are being dropped
When you are in areas with weak signals or poor reception, you may lose your connection to
the network. Move to another area and try again.
the network. Move to another area and try again.
Outgoing calls are not connected
• Ensure that you have pressed the Dial key.
• Ensure that you have accessed the right cellular network.
• Ensure that you have not set call barring for the phone number you are dialling.
• Ensure that you have accessed the right cellular network.
• Ensure that you have not set call barring for the phone number you are dialling.
Incoming calls are not connected
• Ensure that your device is turned on.
• Ensure that you have accessed the right cellular network.
• Ensure that you have not set call barring for the incoming phone number.
• Ensure that you have accessed the right cellular network.
• Ensure that you have not set call barring for the incoming phone number.
Others cannot hear you speaking on a call
• Ensure that you are not covering the built-in microphone.
• Ensure that the microphone is close to your mouth.
• If using a headset, ensure that it is properly connected.
• Ensure that the microphone is close to your mouth.
• If using a headset, ensure that it is properly connected.