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• 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 contact list is not full; delete some
files or save the files to the phone.
My callers can't leave messages on my voicemail
• Contact your network carrier to check service availability.
• Set up your voicemail with your carrier, so that your caller can leave
a message.
I can't access my voicemail
• Make sure that your carrier’s voicemail number is correctly entered
in "Voice Mail Number".
• Try again later if the network is busy.
I can't send and receive MMS
• Check your phone memory 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 busy. Try again later.
• Start a new Messaging string. You messaging string may have
reached its limit.
SIM card PIN locked
• Contact your network carrier to obtain the PUK (Personal Unblocking
Key) code.
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 devices are within Bluetooth’s detection range.