Where can I send text messages after dnf is out of security mode?

Look at his hint, there is a phone number right below the sentence that he asked you to send out the safe mode. There are three ways to release the security mode: bind the mobile phone security center APP and release it by using the mobile phone APP. Bind the mobile phone WeChat QQ security center and use the satellite to release the security mode. Send a message to cancel. At present, the first and second methods are ineffective, and the third method is more effective. If you want to use the first two, untie the phone number.