TCL 20 pro 5G User Manual - English - Page 70

When I select a number from my contacts, the number can't be dialled

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Page 70 highlights

My phone can't receive incoming calls • Make sure that your phone is switched on and connected to a network (check for overloaded or unavailable network). • Check your subscription status with your carrier (credit, SIM card valid, etc.). • Make sure that you have not forwarded incoming calls. • Make sure that you have not barred certain calls. • Make sure that your phone is not in Airplane mode. The caller's name/number doesn't appear when a call is received • Check that you have subscribed to this service with your carrier. • Your caller may have concealed his name or number. I can't find my contacts • Make sure that your SIM card is not broken. • Make sure that your SIM card is inserted properly. The sound quality of the calls is poor • Adjust the volume during a call by pressing the Volume key. • Check the network strength. Move to a location with stronger signal strength. • Make sure that the receiver, connector and speaker on your phone are clean. I can't use the features described in the manual • Check with your carrier to make sure that your subscription includes this service. • Make sure that this feature doesn't require a TCL accessory. When I select a number from my contacts, the number can't be dialled • Make sure that you have correctly recorded the number in your contacts. • Make sure that you have selected the country code when calling an international number. I can't add a contact • Make sure that your SIM card contacts are not full; delete some contacts or save the contacts to the phone. My callers can't leave messages on my voicemail • Contact your network carrier to check service availability. 69

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69
My phone can't receive incoming calls
• Make sure that your phone is switched on and connected to a network (check for
overloaded or unavailable network).
• Check your subscription status with your carrier (credit, SIM card valid, etc.).
• Make sure that you have not forwarded incoming calls.
• Make sure that you have not barred certain calls.
• Make sure that your phone is not in Airplane mode.
The caller’s name/number doesn't appear when a call is received
• Check that you have subscribed to this service with your carrier.
• Your caller may have concealed his name or number.
I can't find my contacts
• Make sure that your SIM card is not broken.
• Make sure that your SIM card is inserted properly.
The sound quality of the calls is poor
• Adjust the volume during a call by pressing the
Volume
key.
• Check the network strength. Move to a location with stronger signal strength.
• Make sure that the receiver, connector and speaker on your phone are clean.
I can't use the features described in the manual
• Check with your carrier to make sure that your subscription includes this service.
• Make sure that this feature doesn't require a TCL accessory.
When I select a number from my contacts, the number can't be dialled
• Make sure that you have correctly recorded the number in your contacts.
• Make sure that you have selected the country code when calling an international
number.
I can't add a contact
• Make sure that your SIM card contacts are not full; delete some contacts or save
the contacts to the phone.
My callers can't leave messages on my voicemail
• Contact your network carrier to check service availability.