TCL 406i Manual page 57

• If it still doesn't work, reset the phone or update software.
• If the issue occurs while using a certain third-party app, make sure the app is
compatible with your device and Android version. Try uninstalling the third-party
app.
My phone can't charge properly
• Make sure that you are using the TCL charger that comes with the phone.
• Make sure that your battery is not completely discharged; if the battery power
has been empty for a long time, it may take around 20 minutes to display the
battery charging indicator on the screen.
• Make sure that charging is carried out under normal conditions 0°C (32°F) to
45°C (113°F).
• When abroad, check that the voltage input is compatible.
My phone can't connect to a network or "No service" is displayed
• Try connecting to the network by moving to another physical location.
• Verify the network coverage with your operator.
• Check with your operator that your SIM card is valid.
• Try connecting at a later time if the network is overloaded.
• Try to turn on "Airplane mode" for a few seconds, then turn airplane mode off.
My phone can't connect to the internet
• Make sure that the internet access service of your SIM card is available.
• Check your phone's internet connection settings.
• Make sure that you are in a place with network coverage.
• Try connecting at a later time or another location.
• Try to turn on "Airplane mode" for a few seconds, then turn airplane mode off.
Invalid SIM card
• Make sure that the SIM card has been correctly inserted.
• Make sure that the chip on your SIM card is not damaged.
• Make sure that the service of your SIM card is available.
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