Lenovo Music Lemon k3 can send text messages but can't make phone calls. What happened?

1, to check whether to call individual contacts. If it is suggested to compare other contacts, it is not excluded that the other party's mobile phone is abnormal;

2. Check whether there are any restrictions on the call function of the fuselage, such as setting black/white list. It is recommended to cancel all before trying to observe;

3. It is suggested to replace other mobile phones or compare the usage of other users of the same operator around. Do not rule out the poor network environment. If it appears in individual areas, it is recommended to change the network environment as much as possible;

4. If it is possible to replace other sim cards, it is recommended to replace the comparison. If individual sim cards can't call in and out normally, it's a card failure or compatibility problem. It is suggested to contact the operator for specific detection and treatment;

5. If the above operations cannot be improved, it is recommended to back up the fuselage data and try to restore the factory settings;

If the problem can't be effectively solved after the above operation, it is recommended to take time out to the nearby Lenovo authorized maintenance station for specific inspection and treatment so as to use it normally in the future.