Troubleshooting - Samsung Galaxy Gear SM-R750A User Manual

troubleshooting

If you are having trouble with your mobile Device, try these
troubleshooting procedures before contacting a service professional.
While using your Device, the following messages may appear:
Message
Please insert SIM card
Device lock
Enter PIN
Enter PUK
Your Device displays "Network unavailable" or "Network error."
 When you are in areas with weak signals or poor reception, you may lose
reception. Move to another area and try again.
 You cannot access some options without a subscription. Contact your service
provider for more details.
You enter a number, but the call is not dialled.
 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.
Another caller cannot reach you.
 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 phone number.
Another caller cannot hear you speaking.
 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.
Try this to solve the problem:
Ensure that the SIM card is installed
correctly.
When the Device lock feature is enabled,
you must enter the password you set for
the Device.
When using the Device for the first time
or when the PIN requirement is enabled,
you must enter the PIN supplied with the
SIM card. You can disable this feature
by using the PIN lock menu.
Your SIM card is blocked, usually as a
result of entering your PIN incorrectly
several times. You must enter the PUK
supplied by your service provider.
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