Samsung GT-S5620 User Manual download pdf (Page 82)

troubleshooting

The phone prompts you to insert the SIM card.

Ensure that the SIM or USIM card is installed

correctly.

Your phone displays “Service 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 phone 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.

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Samsung GT-S5620 User Manual Page 82