TCL FLIP Pro User Manual page 72

My phone cannot connect to a network or "No service" is
displayed
• Try connecting in another location.
• Verify the network coverage with your service provider.
• Check with your service provider that your SIM card is valid.
• Try selecting the available network(s) manually.
• Try connecting at a later time if the network is overloaded.
My phone cannot connect to the Internet
• Check that the IMEI number (press *#06#) is the same as the one
printed on your warranty card or box.
• Make sure that the internet access service of your SIM card is
available.
• Check your phone's Internet connecting settings.
• Make sure you are in a place with network coverage.
• Try connecting at a later time or another location.
Invalid SIM card
• Make sure the SIM card has been correctly inserted (see
"1.2 Setting up your phone").
• Make sure the chip on your SIM card is not damaged or
scratched.
• Make sure the service of your SIM card is available.
Unable to make outgoing calls
• Make sure you have dialed a valid number and have pressed the
Call Key
• For international calls, check the country and area codes.
• Make sure your phone is connected to a network, and the
network is not overloaded or unavailable.
• Check your subscription status with your service provider (credit,
SIM card valid, etc.).
• Make sure you have not barred outgoing calls.
• Make sure that your phone is not in airplane mode.
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