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• 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.
I can't access my voicemail
• Make sure that your carrier’s voicemail number is correctly
entered in "Voicemail number".
• Try later if the network is busy.
I can't send and receive MMS
• Check your phone storage as it might be full.
• Contact your network carrier to check service availability and
MMS parameters.
• Verify the server center number or your MMS profile with your
carrier.
• The server center may be swamped. Try again later.
SIM card PIN locked
• Contact your network carrier to obtain the PUK (Personal
Unblocking Key) code.
I can't connect my phone to my computer
• Check to make sure the USB port is not broken. If it’s not working,
try another USB port on your computer.
• Make sure USB drivers are properly installed.
• If you are using a Windows computer, make sure it supports MTP
mode. If you are using a Mac, make sure to install Android File
Transfer from www.android.com/filetransfer/.
I can't download new files
• Make sure that there is sufficient phone storage space for your
download.
• Select the microSD card as the location to store downloaded files.
• Check your subscription status with your carrier.
The phone can't be detected by others via Bluetooth
• Make sure that Bluetooth is turned on and your phone is visible
to other users.
• Make sure that the two phones are within Bluetooth’s detection
range.
The battery drains too fast
• Make sure that you follow the complete charge time (minimum
120 minutes).
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