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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
aect 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
new.
• 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 o 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.
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