The Galaxy S21 series phones are the first to get the June 2021 security patch. What you need to know The June 2021 Android security patch has started rolling out to Samsung's Galaxy S21 series phones. The rollout is currently limited to South Korea. Samsung is expected to release the June security update for more Galaxy phones over the coming days. Samsung's Galaxy S21 series have started receiving a new software update that brings the June 2021 Android security patch. According to SammyFans , the June 2021 security update arrives as version G991NKSU3AUE8, G996NKSU3AUE8, and G998NKSU3AUE8 for the Galaxy S21 , Galaxy S21+, and Galaxy S21 Ultra , respectively. The new security update appears to be limited to users in South Korea right now, but it will expand to more markets over the coming days. Since we're still in May, Google hasn't yet detailed the changes included with the June 2021 security patch. More details are expected to arrive in the first week of Jun