After the update of ios9.2, SMS can't be sent out.

1 Incorrect information center number: enter * 5005 * 7672 *+8613800abc500 # in the dialing interface. . Abc is the local area code (for example, Shenzhen is 755). . Press the dial key again,+means long press the 0 key, and the information setting is incorrect. 3 The network settings are incorrect. If there is nothing wrong with the above, there is something wrong with the card. Go to the business hall and change the signal for free. Remember to bring your ID card.