41
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 phone as this may affect
its performance.
•
Use Factory date reset and the upgrade tool to perform phone
formatting or software upgrading (to reset factory data, hold down the
power key and the Volume up key at the same time). ALL User phone
data: contacts, photos, messages and files, downloaded applications will
be lost permanently. It is strongly advised to fully backup the phone
data and profile via ONE TOUCH Center before doing formatting
and upgrading.
and carry out the following checks:
My phone cannot be switched on or is frozen
•
When the phone 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 phone 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 reset the phone using the Power
key and the Volume up key, (holding both together).
My phone has not responded for several minutes
•
Restart your phone by pressing and holding the Power key.
My phone turns off by itself
•
Check that your screen is locked when you are not using your phone,
and make sure the Power key is not accidentally contacted while the
screen is unlocked.
•
Check the battery charge level.
My phone cannot charge properly
•
Make sure that your battery is not completely discharged; if the battery
power is empty for a long time, it may take around 20 minutes to
display the battery charger indicator on the screen.
•
Make sure charging is carried out under normal conditions (0°C to
+40°C).
•
When abroad, check that the voltage input is compatible.
My phone cannot connect to a network or “No service” is
displayed
•
Try connecting in another location.
