263 Yunka can't receive the message. What happened?

Signal problem, account problem, mobile phone setting problem, network problem.

1, signal problem: If the location signal is not good, it will lead to the problem of sending and receiving short messages. Try to change the location or wait for the signal to improve.

2. Account problem: Confirm whether the 263 Yunka account is normal, whether it is in arrears and whether it has been shut down.

3, mobile phone settings: sometimes mobile phone settings will also lead to the inability to receive SMS, you can check the SMS settings of the mobile phone.

4. Network problem: To ensure that the mobile phone is in a normal network state, you can try to switch the network or restart the mobile phone.