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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 phone’s performance, remove
unnecessary files or apps on your phone.
• Update your phone's software via the Updates
application. Or you can touch Settings > System >
Updates to update software.
• Reset your phone via Erase all data (factory reset).
Touch Settings > System > Reset options > 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 phone is powered off. All your phone
data will be lost permanently. It is strongly advised to
fully back up your phone data before resetting.
and carry out the following checks:
My phone can't be switched on or is frozen
• When the phone can't be switched on, charge for
at least 20 minutes to ensure the minimum battery
power needed. Then switch it on again.