Problem | Possible causes | Possible solutions |
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You cannot make | The SIM card is not installed. | Install a valid SIM card in | |
outgoing calls |
| your device. |
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| Poor signal. | Move to an open space, or if | |
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| you are inside a building, | |
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| move closer to a window. | |
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| Your device is in Airplane | Touch the status area on the | |
| mode with no wireless | status bar and clear the | |
| connectivity. | Airplane mode check box. | |
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| You have enabled the Call | Touch the Home button | |
| barring feature. | →Menu button | → |
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| Settings→Call settings→Call | |
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| barring→Deactivate all. | |
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| You have enabled Fixed | Touch the Home button | |
| Dialing Numbers. | →Menu button | → |
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| Settings→Call settings→ | |
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| Fixed Dialing Numbers. | |
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| Disable Fixed Dialing |
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| Numbers (FDN). |
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You cannot answer | Poor signal. | Move to an open space, or if | |
incoming calls |
| you are inside a building, | |
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| move closer to a window. | |
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| |
| Your device is in Airplane | Touch the status area on the | |
| mode with no wireless | status bar and clear the | |
| connectivity. | Airplane mode check box. | |
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| You have enabled the Call | Touch the Home button | |
| barring feature. | →Menu button | → |
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| Settings→ Call settings→ | |
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| Additional call settings→Call | |
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| barring→Deactivate all. | |
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Unable to add contacts | Memory for storing | Delete unnecessary contact | |
to the device | contacts is already full. | information from the |
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| device. |
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Echo or noise | Poor network trunk quality | Hang up and dial again. You | |
| on the part of your service | may be switched to a |
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| provider, or poor local | ||
| telephone line quality. | or phone line. |
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Troubleshooting
