升级

Shengji (Upgrade) is a system optimization and customization app for older iOS devices. It aims to improve system efficiency and smooth operation while providing a more stable experience. The app offers system-level customization options, expands device functionality, and helps unlock some native system restrictions for freer control. It also focuses on response speed and background management, making it suitable for users who want to extend the usable life of older devices. Interested users are welcome to download and install it from iOSIPA Software Network.