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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 phone’s performance, remove
unnecessary files or apps on your phone.
•
Update your phone's software via Settings > System >
System Update.
•
Reset your phone via Settings > System > Reset >
Erase all date.
Another method is to hold down the Power key and
the Volume up key at the same time when your phone
is powered off. Release the power button and then the
volume button after the vibration, then select Wipe
data / factory reset >Factory data reset to reset. 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.
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Страница 59: ...58 Images Touch to set always show image or ask before showing...
Страница 74: ...73 To delete Touch next to the VPN Touch FORGET to delete...