A8-A11设备15.0-15.5b4系统无须越狱安装TrollStore永久签名个人整理傻瓜式操作，本人操作环境是MAC系统
A8-A11 device 15.0-15.5b4 system does not need jailbreak to install TrollStore permanent signature Personal finishing fool-like operation, my operating environment is MAC system
注意事项：手机语言设定为英文，电脑必须翻墙和安装Xcode并安装Command Line Tools,安装命令如下： xcode-select --install
Note: The phone language is set to English, the computer must be over the wall and Xcode and Command Line Tools must be installed. The installation command is as follows: xcode-select --install