how do you block someone from texting you on a Samsung S3 mini

[AC Question]

It says you have to go to spam settings and I don't see that.

 

[B. Diddy]

Welcome to Android Central! Does this help?

https://www.youtube.com/watch?v=gwO1U8kRfHg

 

[Rukbat]

Phone/logs. Long-press the call and tap Add to reject list. It blocks the number from voice and texts. (The lost is available in the phone's Settings too.)