User's Manual

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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 updates.
• Reset your phone via Settings > System > Reset
> Factory data reset. Another method is to hold
down the Power key and the Volume up key at
the same time when your phone is powered o.
Select Wipe data / factory reset > Factory data
reset > Reboot system now 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.
• When the phone falls into a loop during power
on animation and the user interface can’t be