Joke Collection Website - Blessing messages - What should I do if the SMS can't be sent out or the received SMS is delayed?

What should I do if the SMS can't be sent out or the received SMS is delayed?

(1) Confirm that the account status is normal.

(2) Confirm that the cell phone signal is good.

(3) Set the correct SMS center number.

(4) Clear useless short messages and release storage space.

(5) Remove the interception of the specified number by the mobile phone security software.

(6) Confirm that the message of the other party is normal, or contact the other party by other means.

(7) Confirm that the mobile phone terminal and the mobile phone card are normal, and do the machine change and card change test.