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Troubleshooting ...................
Before contacting the service centre, here are some
instructions to help you troubleshoot your device:
• For optimal operation, fully charge the battery.
• To improve the device’s performance, remove
unnecessary files or apps on your device.
• Update your device's software via the Updates
application. Or you can touch Settings > System >
System updates to update software.
• Reset your device via Factory data reset. Touch
Settings > System > Reset options > Erase all data.
Another method is to hold down the Power key
and the Volume up key at the same time when your
device is powered off. All your device data will be
lost permanently. It is strongly advised to fully back
up your device data before resetting.
and carry out the following checks:
My device can't be switched on or is frozen
• When the device can't be switched on, charge for
at least 20 minutes to ensure the minimum battery
power needed. Then switch it on again.
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