Joke Collection Website - Public benefit messages - Why can't I see the number I sent when I received the text message?

Why can't I see the number I sent when I received the text message?

This may be a problem with your mobile phone. Try opening it again. If not, please try to restore the factory settings.

Or the other party downloaded a short message software and hid the short message number of the information. If your number is mobile, you can call 10086 Unicom 100 10 Telecom 10000 for manual service consultation.