Joke Collection Website - Public benefit messages - If there is a text message on my 5230 recently, it is not the name of the contact, but the number! What's going on here?

If there is a text message on my 5230 recently, it is not the name of the contact, but the number! What's going on here?

In fact, this is a complicated problem about CPU, but I'll tell you a way. Address Book-Options-Settings-Select the SIM card as the name to be displayed, and the SIM card as the default storage, or all of them are set as mobile phone storage instead of multiple storage, and that's it.