How can the SMS bird find out who sent it?

The SMS bird can check who sent it as follows:

Tools: iPhone 12, iOS 14.4, information v 1.0.

1. First, click the information at the bottom right of the main menu to enter.

2. Then click any letter in the information interface to enter.

3. Then click the icon on the top right in the details interface to enter.

Finally, you can see who the sender is in the new interface.