51
15
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
.
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 45°C (113°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.