I use my own mobile phone number to send text messages to others, but when I send them to others' mobile phones, another number is displayed.

It won't leak. Is the mobile phone number you went to your real name? If you change the password like that, there will be no important leakage. Simple SMS chats will be left on your mobile phone. If they are not deleted, the smart phone is password-encrypted. . SIM encryption also exists in ordinary machines. . I guess you didn't notice. . Coincidence number can only consult the business hall. . Help you actually check, the mobile phone number is a real coincidence. . It is hard to say whether it is due to other specific reasons. . See if you can find a number that is missing one digit. The business hall will help you solve it