How do I block spam if I use a thrifty phone?

I'm thinking about changing to a thrifty phone.

Now, I block spam with a skt T-phone.

The thrifty phone is a kt thrifty phone, but how do I block spam?

729 2019-10-20 Gentleman

popular Is hair spray not allowed on the plane at all?

popular How can I connect to watch a video on my phone on TV?

popular Why does it say that your license has expired on your phone?

popular What is the deadline for purchasing lotto?

popular How can I resolve TLS security configuration errors?

Same Tag Can I change the mobile phone I bought with a budget phone to another budget phone carrier?

Same Tag I heard that if I change the device while using a thrifty phone, I have to have a history of opening it, what should I do?

Same Tag Is it possible to move the number from kt thrift phone to SK?

Same Tag Where can I sign up for the affordable phone plan?

Same Tag Do I just put the USIM on my self-contained phone?

Same Time How many inches of waist do you think is thin based on women's standards?

Same Time How do I block spam if I use a thrifty phone?

Same Time If it's 165, how much do you weigh? Can I wear any clothes?