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14 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 Software update, press Settings > Software update >
Check for updates.
Carry out the following checks:
My phone has not responded for several minutes
•
Restart your phone by pressing and holding Power/Hang Up key .
My phone turns off by itself
•
Check that your screen is locked when you are not using your phone, and
make sure Power/Hang Up 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.
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