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牛X,成功降级 iOS 15!这台 iPhone XS Max 已经走过了很长的路，能够双系统启动各种操作系统。比如：tvOS 16.5、macOS 13.4、iOS 26 模拟版。本次实现的双系统启动中，第二个系统为 iOS 13.2 InternalUI 内部系统。Duy 分享了操作指南，有兴趣的朋友可以前往查看，研究研究。https://gist.github.com/khanhduytran0/331c06a22dc8a6c1d47207d1a813c5fe2，Duy 的主要目的，是技术研究，是技术展示，目前并不适合普通用户玩耍。3，双系统启动，需要 usbliter8 引导，启动后无法随时切换系统。4，Duy 表示，主操作系统仍然可以启动，双启动系统没有 SEP，也就意味着无法使用面容。将降级进行得更深入一些，成功降级 iOS 15.0 系统。既然可以降级 iOS 14.0 和 iOS 15.0 系统，我在想，降级 iOS 16.0 或 iOS 17.0 可以吗？pwnerblu 实现的降级 iOS 15 系统，通过 usbliter8 漏洞，降级系统是可以实现的。
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- 请求信息 : 2026-07-09 13:03:54 HTTP/1.1 GET : https://www.yeyulingfeng.com/a/842891.html
- 运行时间 : 0.112713s [ 吞吐率：8.87req/s ] 内存消耗：4,668.86kb 文件加载：145
- 缓存信息 : 0 reads,0 writes
- 会话信息 : SESSION_ID=1c8a28e59163c0a1689d0644c241913a
- CONNECT:[ UseTime:0.000574s ] mysql:host=127.0.0.1;port=3306;dbname=wenku;charset=utf8mb4
- SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000898s ]
- SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000328s ]
- SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000254s ]
- SHOW FULL COLUMNS FROM `set` [ RunTime:0.000566s ]
- SELECT * FROM `set` [ RunTime:0.000219s ]
- SHOW FULL COLUMNS FROM `article` [ RunTime:0.000627s ]
- SELECT * FROM `article` WHERE `id` = 842891 LIMIT 1 [ RunTime:0.000442s ]
- UPDATE `article` SET `lasttime` = 1783573434 WHERE `id` = 842891 [ RunTime:0.005024s ]
- SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000278s ]
- SELECT * FROM `article` WHERE `id` < 842891 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000531s ]
- SELECT * FROM `article` WHERE `id` > 842891 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000429s ]
- SELECT * FROM `article` WHERE `id` < 842891 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.012674s ]
- SELECT * FROM `article` WHERE `id` < 842891 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001773s ]
- SELECT * FROM `article` WHERE `id` < 842891 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001951s ]
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夜雨聆风
