Samsung Galaxy S21 series, Galaxy S24 FE receive One UI 7 update with Android 15

Samsung took a long time releasing the update to One UI 7, but it now finally seems to have resolved all the issues, and its rollouts are starting slightly ahead of schedule for many devices.

Case in point: the Galaxy S21 series, which was supposed to get One UI 7 in May, but the update is already being sent out in Korea with the software version G99xNKSU8HYD9.

2021 S Series joins the One UI 7 party.‼️

The Galaxy S21 Series begins receiving the One UI 7 update in Korea.

Build Version: G991NKSU8HYD9/G991NOKR8HYD9/G991NKOU8HYD9 pic.twitter.com/QuzDqCEqDT

— Tarun Vats (@tarunvats33) April 29, 2025

Over there, it's a 3.5GB download. Now that the ball's rolling, so to speak, the Galaxy S21 devices should soon be receiving this update in other markets as well.

Galaxy S24 FE receives One UI 7 update in India 🇮🇳

Build Version: S721BXXU3BYD9/S721BOXM3BYD9/S721BXXU3BYD9 pic.twitter.com/Hplt2WoyMt

— Tarun Vats (@tarunvats33) April 29, 2025

The Galaxy S24 FE has also been graced with the update to One UI 7, this time in India, where it arrives as build S721BXXU3BYD9, a 5.1GB download. Both updates include the April 2025 security patch level, by the way.