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Troubleshooting ......................................
Before contacting the service center, you are advised to follow the instructions below:
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You are advised to fully charge (
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Avoid storing large amounts of data in your phone as this may affect its performance.
Use Factory data reset and the upgrade tool to perform phone formatting or software
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upgrading. ALL User phone data: contacts, photos, messages and files, downloaded applications will
be lost permanently. It is strongly advised to fully backup the phone data and profile before doing
formatting and upgrading.
Carry out the following checks:
My phone is frozen or cannot be switched on
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Check the battery power level, charge for at least 20 minutes.
My phone has not responded for several minutes
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Restart your phone by pressing and holding the Power key.
My phone turns off by itself
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Check that your screen is locked when you are not using your phone, and make sure the Power
key is not mis-contacted due to unlocked screen.
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Check the battery charge level.
My phone cannot charge properly
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Make sure that your battery is not completely discharged; if the battery power is empty for a long
time, it may take around 20 minutes to display the battery charger indicator on the screen.
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Make sure charging is carried out under normal conditions (0°C (32°F) to +40°C (104°F)).
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When abroad, check that the voltage input is compatible.
My phone cannot connect to a network or "No service" is displayed
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Try connecting in another location.
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Verify the network coverage with your service provider.
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Check with your service provider that your SIM card is valid.
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Try selecting the available network(s) manually.
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Try connecting at a later time if the network is overloaded.
) the battery for optimal operation.
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