Thuraya XT-DUAL - Manual (Page 98)

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04 Additional Information
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04
Troubleshooting
When the phone cannot be switched on
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Red key on the phone needs to be pressed for at least 2-3 seconds in order to switch the phone on or off.
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Check whether the battery is discharged or not properly attached.
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If the phone cannot be switched on even with connected charger, please contact your nearest Customer Service Center.
When the message ‘Insert SIM’ appears
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Insert a valid SIM card and check if it is inserted properly.
‡ A SIM card can become invalid if the wrong PUK code was entered. Please contact your nearest Customer Service Center in that case.
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Check whether the SIM card contacts are clean and free of any foreign objects.
When the Security Code was lost
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The initial security code when buying the phone is set to 0000 per default.
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If you already changed the security code and the code has been lost please contact your nearest Customer Service Center.
When the phone does not react anymore (freezing)
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Remove the battery and restart the phone. If this happens repeatedly please contact your Service Provider.