Alcatel Pop 7 LTE Mode D'emploi page 18

Troubleshooting
Before contacting the service center, 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, and files, downloaded applications will be lost
permanently after a factory data reset. It is strongly advised to
fully back up the tablet data and profile before doing formatting
and upgrading.
Please pay attention that after Factory data reset is performed you
may be requested to enter Google account credentials
used on this device before Factory reset. Otherwise you will not be
able to use the device. If you don't remember your Google account
credentials please complete Google account recovery procedure. In
case you don't succeed in it
• Please apply to authorized repair center, but remember that it will
not be regarded as warranty case.
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, 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 the Power key
to Pop up the options, then long press "Power Off" to enter Safe
Mode. This eliminates any abnormal OS booting issues caused by
3rd party APKs.
Applicable for Android OS versions starting from 5.1.
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