Why can't the mobile phone delete messages, and the messages are all blank, and the inbox is equivalent to nothing, but it can display the number of messages?

You want to keep all the plates? ! Only three, five, eleven. It's time to change. [br/]

As for the red cross and other problems, it may be that the configuration value file of the software you installed is damaged or lost, or something else. I have encountered a prompt message that shows an error. No matter what his problem is, it is a good thing that he can't solve a problem. But please note that important things like business cards should be copied into the sim card first.