Xiaomi HyperOS has released an announcement stating that the recruitment for internal testing of the Xiaomi HyperOS 4 Beta Version will conclude at 12:00 PM on October 14. Users who haven't signed up yet can visit the internal testing center within the Xiaomi Community to register. Once approved, they can upgrade to the new version. The official version of Xiaomi HyperOS 4 will be launched in phases starting from October 15. Initially, it will be available for models such as the Xiaomi 17 series and the REDMI K100 Pro series, with plans to extend support to more models subsequently. Xiaomi HyperOS 4 represents Xiaomi's latest-generation operating system, boasting comprehensive enhancements in AI capabilities, cross-device collaboration, and overall system fluidity. The system incorporates Super Xiao Ai 2.0 and the self-developed MiMo large model, introducing innovative features like Expert Mode and Inspiration Ball interaction, while also refining the overall system smoothness.