Why did the message received by N73 mobile phone disappear once?

Make sure you don't receive urgent messages. To know what a flash message is, you can download a mobile phone version of 360. This software has the function of flash message, which can directly display short messages sent to the other party on the screen. After the other person has finished reading it, press the back button and it will be gone. This is an urgent message. Solve the problem that your short messages can't be stored: Try changing a memory card to see if you can store short messages. If it still can't be stored, there is something wrong with the mobile phone. If you can, there is something wrong with the memory card. Welcome questions.