While Samsung appears close to rolling out the stable One UI 9 update for the Galaxy S26 series, the company is expanding its One UI 9 beta program to more Galaxy devices, including the Galaxy S25 series, Galaxy Z Flip 7, and Galaxy Z Fold 7.The One UI 9 beta program will open this month in India, South Korea, the UK, and the US for the phones listed below:Galaxy S25Galaxy S25+Galaxy S25 UltraGalaxy S25 FEGalaxy Z Flip 7Galaxy Z Fold 7If you own any of the devices listed above and want to participate in the One UI 9 beta program, you should download and install the Samsung Members app on your eligible phone. Then, log into the app using the same Samsung account tied to your phone, and register your device once the beta program goes live.Samsung will likely release multiple beta updates for these phones before rolling out the stable version. These early builds are often filled with bugs, performance hiccups, and stability problems. Therefore, you should be careful before deciding to enroll your primary device in the beta program.