How to change the received SMS?

Yes! But first, you should have a SIM card reader (mobile) or UIM card reader (Unicom), and use this card reader to back up the short messages in your mobile phone card to your computer! Go to the directory saved on the computer, open it with notepad, modify its contents, and then save it ... Then you can copy the modified SMS to the mobile phone card through the card reader again ... At this time, the content displayed in the mobile phone is the content you modified. ...

Methods of blocking short messages by mobile phones;

There is a "blacklist" function in the mobile phone to blacklist the phone numbers that often receive harassing text messages, so that they will never receive harassing text messages again. Very easy to use. Setting frequent harassing calls as blacklists can solve most harassing short messages.