Samsung includes a built-in service (often powered by Hiya) that identifies and blocks suspected spam calls automatically.
Blocking unwanted, spam, or unknown calls on a Samsung Galaxy device in 2026 is a straightforward process, built directly into the One UI Phone app. Whether you are dealing with persistent telemarketers or simply want to hide from private numbers, Samsung offers a suite of tools—including the Hiya-powered Smart Call —to take back control of your phone. How to Block Calls on Samsung (Quick Steps)
This is the baseline method for blocking a single spammer or ex-partner.
Use apps provided by your mobile carrier (e.g., AT&T ActiveArmor, Verizon Call Filter, or T-Mobile Scam Shield) for additional network-level blocking. To provide more specific steps, I would need to know: