I bought some salted fish. I complained to the seller and he bombarded me with text messages. What should I do? Is there any way to solve it? Can you set it up? How to set it?

Open his spam message interface, slide your finger up on the phone number profile screen, find the "Block this calling number" option at the bottom, click Add, and then the system will prompt us to block the phone, information and FaceTime of this number, and click "Block contact" to confirm the blocking.