You can't get a message after plugging the mobile phone card back in?

Please check whether the mobile phone status and SMS function status are normal first; Jud whether that numb of the short message center is set correctly, and if the setting is incorrect, the sending of the short message will be affect; The number of China Mobile SMS Center is +86 13800XYZ500, where XYZ is the part of the area code to which your number belongs, and 0 is added at the end of less than three digits. For example: Nanjing area code 025, XYZ corresponds to 250; Shenzhen area code 0755, XYZ corresponds to 755. If the above methods still cannot be solved, you can call local 10086 for consultation.