Samsung has rolled out a critical security update (S90xBXXSDEXL1) for over 30 Galaxy devices, addressing 29 vulnerabilities, including five critical ones, in features like Sound Picker, Samsung Messages, and Bootloader. The update is being released gradually, and users can check for it under Settings > Software Update > Download and Install. Additionally, Samsung is preparing the One UI 7 update with Android 15 features, launching alongside the Galaxy S25 series on January 7, introducing AI-powered personalization, upgraded writing tools, and call transcriptions.