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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
>
Device
>
Device Information
>
Software Update
>
Check for Updates
.
•
To set your phone to factory default, access
Settings
>
Device
>
Device information
>
Reset
Phone
. 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 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 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.
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