TapTechNews网友佳宜、SNOS雪诺、犬来八荒、西窗旧事、Edvin、虎杖悠仁、星痕永至、EdgeOS、Patrick_Tien、咩咩洋、蒹葭_、凯子、被传颂的GT610、吾爱317、Huang_Sir's clues submitted! TapTechNews reported on May 16th that Xiaomi has officially announced the launch of the Android 15 Beta1 developer preview version of the Thunder OS for Xiaomi 14, Xiaomi 14 Pro, Redmi K60 Ultra, and Xiaomi Pad 6S Pro 12.4 models to facilitate enthusiasts and developers to upgrade their Xiaomi phones with Android 15 Beta1 and apply it early. Users of the above devices can download and flash the Xiaomi Thunder OS developer preview version based on Android 15 Beta1 through the Xiaomi community (please make sure the bootloader lock is unlocked before flashing). Xiaomi 14 Pro Developer Preview: Click to download Xiaomi 14 Developer Preview: Click to download Redmi K60 Ultra Developer Preview: Click to download Xiaomi Pad 6S Pro 12.4 Developer Preview: Click to download Bootloader unlock permission details can be found in the Bootloader Unlock Permission Change Announcement. Backup and unlock tutorials can be found in the Bootloader Unlock Tutorial. Mi-Flash flashing tutorial: 1. Download the MiFlash flashing tool (make sure the Bootloader lock is unlocked before flashing). 2. Download the corresponding ROM firmware for the model. 3. Unzip and place the files in the root directory of the D drive. 4. Power off the phone, press and hold the power and volume- keys to enter Fastboot mode and connect to the computer. 5. Click to load the device, select the file. 6. Be sure to select 'Full erase', click the flashing button in the upper right corner, and start early tasting after waiting for 10 minutes. TapTechNews would like to remind everyone that this version is only for developers to preview the features of Android 15 Beta1 in advance. The system stability cannot be estimated, and it is not recommended for ordinary users to use it daily. Adequate preparation is required before flashing. Android 15 Beta has been optimized in terms of security, battery life, and smoothness. In addition, Android 15 introduces the Android Dynamic Performance Framework (ADPF), which allows games and performance-intensive applications to interact more directly with the power and cooling systems of Android devices, enabling more efficient task processing and reducing power consumption.