Joke Collection Website - Public benefit messages - What is the clock on the SMS sign?

What is the clock on the SMS sign?

1) Restart the phone and try to send.

2) Confirm with the network operator whether the number of the SMS service center is correct.

3) Try to use mobile phone cards.

4) Back up the data of the mobile phone, restore the mobile phone to the factory settings and try to use it.

5) Take the invoice card and send the mobile phone to HTC maintenance center for repair.