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苹果关闭 iOS 26.4.2 系统验证通道

2026-07-02 13:58:56

苹果关闭 iOS 26.4.2 系统验证通道

Hi，欢迎来到爱思助手。

iOS 26.4.2 验证通道

用户升级 iOS 26.5 后

已升级到 iOS 26.5 的设备，无法再降级回 iOS 26.4.2 。
即使保存了 iOS 26.4.2 固件，刷机时也会因签名验证失败而无法安装。
当前仅 iOS 26.5 正式版可通过官方通道正常刷机或恢复。

🔒同时关闭的还有 iOS 18.7.8、iOS 16.7.15 和 iOS 15.8.7 的验证通道。苹果通常在新系统发布后一周左右关闭旧版本签名，以推动用户保持系统更新，提升整体安全性。

END

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请求信息 : 2026-07-18 21:09:42 HTTP/2.0 GET : https://c.mffb.com.cn/a/490153.html
运行时间 : 0.120128s [ 吞吐率：8.32req/s ] 内存消耗：4,204.55kb 文件加载：140
缓存信息 : 0 reads,0 writes
会话信息 : SESSION_ID=f657c83df7a783eea1852ea74608fee1

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CONNECT:[ UseTime:0.000510s ] mysql:host=127.0.0.1;port=3306;dbname=c_mffb;charset=utf8mb4
SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000894s ]
SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000320s ]
SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000251s ]
SHOW FULL COLUMNS FROM `set` [ RunTime:0.000607s ]
SELECT * FROM `set` [ RunTime:0.000201s ]
SHOW FULL COLUMNS FROM `article` [ RunTime:0.000668s ]
SELECT * FROM `article` WHERE `id` = 490153 LIMIT 1 [ RunTime:0.000410s ]
UPDATE `article` SET `lasttime` = 1784380182 WHERE `id` = 490153 [ RunTime:0.019450s ]
SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000407s ]
SELECT * FROM `article` WHERE `id` < 490153 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000671s ]
SELECT * FROM `article` WHERE `id` > 490153 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001297s ]
SELECT * FROM `article` WHERE `id` < 490153 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000871s ]
SELECT * FROM `article` WHERE `id` < 490153 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000943s ]
SELECT * FROM `article` WHERE `id` < 490153 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001191s ]

0.121822s

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