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Troubleshooting ............
Before contacting the service center, 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, go to Settings >
System > System updates.
• Reset your device via Erase all data (factory
reset). Touch Settings > System > Reset > Erase
all data (factory reset). 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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