User's Manual

80
12 Troubleshooting
Before contacting the service centre, you are advised to
follow the instructions below:
• Youareadvisedtofullychargethebatteryforoptimaloperation.
• Avoid storing large amounts of data in your tablet as this may
affect its performance.
• Use Factory data reset and the upgrade tool to perform
tablet formatting or software upgrading. ALL User tablet data:
contacts, photos, messages and files, downloaded apps will be
lost permanently. It is strongly advised to fully back up the tablet
data and profile via Android Manager before doing formatting and
upgrading.
My tablet cannot be switched on or is frozen
• Whenthe tablet cannotbe switched on,charge for at least 20
minutes to ensure the minimum battery power needed, and then
try to switch on again.
• Whenthetabletfallsintoaloopduringpoweron-offanimation
and the user interface cannot be accessed, press and hold the
Volume down key to enter Safe Mode. This eliminates any
abnormal OS booting issues caused by 3rd party APKs.
• Ifneithermethodiseffective,pleasepoweroffthetabletusingthe
Power key and the Volume up key (holding both together).
My tablet has not responded for several minutes
• RestartyourtabletbypressingandholdingthePowerkey.
My tablet turns off by itself
• Checkthat your screenislockedwhen youarenot usingyour