Regulatory & Safety; Restore Settings; About; Troubleshooting - TCL onetouch 4022S User Manual

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9.13 Regulatory & Safety
View information about your phone, such as Product
Model, Manufacturer Name, IMEI, CU Reference, etc.

9.14 Restore settings

Make the phone's settings return to their default
values. End-user data will be erased. Enter the default
password 1234 to confirm restore and reboot.

9.15 About

You can view Privacy and User Terms
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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.
and carry out the following checks:
My phone can't be switched on or is frozen
• Check the battery contacts, remove and reinstall
your battery, then turn your phone on.
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• Check the battery power level, charge for at least 20
minutes.
My phone has not responded for several minutes
• Restart your phone by pressing and holding the End
key.
• Remove the battery and re-insert it, then restart the
phone.
My phone turns off by itself
• Check whether your phone is locked when not in
use, and make sure you don't accidentally turn off
your phone when locking it by pressing the End key.
• Check the battery charge level.
My phone can't charge properly
• Make sure you are using a TCL battery and the
charger from the box.
• Make sure your battery is inserted properl. It must be
inserted before plugging in the charger.
• Make sure that your battery is not completely
discharged; if 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.
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