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Troubleshooting ................................
Before contacting the service center, follow the instructions below:
• You are advised to fully charge ( ) the battery for optimal operation.
• Avoid storing large amounts of data in your phone as this may affect its
performance.
• Use the FOTA (Firmware Over The Air) Upgrade tool to update your phone's
software. To access Update phone, press Settings > Software update > Check
for updates.
• To set your phone to factory default, access Settings > Phone settings > Reset
> Factory data reset. All your phone data will be lost permanently. It is strongly
advised to fully back up your phone before resetting.
The following are the most asked questions:
My phone has not responded for several minutes
• Restart your phone by pressing and holding the End/Power/Home key .
My phone turns off by itself
• Check that your screen is locked when you are not using your phone, and make
sure the End/Power/Home key is not mis-contacted due to unlocked
screen.
• Check the battery charge level.
My phone cannot charge properly
• Make sure that your battery is not completely discharged; if the battery power
has been empty for a long time, it may take around 20 minutes to display the
battery charger indicator on the screen.
• Make sure charging is carried out under normal conditions: 0°C (32°F) to 40°C
(104°F).
• When abroad, check that the voltage input is compatible.
My phone cannot connect to a network or “No service” is displayed
• Try connecting in another location.
• Verify the network coverage with your service provider.
• Check with your service provider that your SIM card is valid.
• Try selecting the available network(s) manually.
• Try connecting at a later time if the network is overloaded.
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