苹果6iso10系统怎么变为iso9系统?

2025-03-25 13:21:04
推荐回答(3个)
回答1:

能完美降级前提,首先你之前IOS9系统有备份SHSH,如果没有备份,基本上可以远离降级,SHSH需要本机才行,用别人的SHSH降级会导致出错,请勿拿其它机子SHSH尝试降级。SHSH是每台苹果设备刷固件使用的必需品,英文全称:SignatureHaSHblobs,即中文签名散列,是Apple验证服务器根据设备信息,生成的一种签名证书。SHSH降级原理:iTunes(苹果的刷机软件)向验证服务器发送这台设备的信息,并请求恢复SHSH。如果恢复的版本尚没有关闭验证,服务器会发送SHSH,iTunes就可以继续;但如果这个版本的验证关闭,iTunes会直接报错,无法降级\升级。附:苹果在发布新版本的固件后,会很快关闭旧版本的验证。因此,保留SHSH变得很重要。(拓展阅读)满足以上几点的降级方法:下载工具:iDeviceReRestorei;;iDeviceReRestorei解压;在C:\Users\Administrator\中创建一个shsh的文件夹然后把iOS9.x.x的shsh放入文件夹中(一定放C盘创建,不然会失效);将shsh的命名格式改为xxxxxxxxxxxx-iPhone4,1-9.x.x需要将版本号去掉像下图中的13F69是不需要的;可以在爱思助手下载个iOS9.x.x的固件,并放入iDeviceReRestore的根目录,不用重命名。然后将iPhone用数据线连接电脑,并且进入DFU模式:(按HONE键+关机键一起按5秒放开关机键,等待进入DFU模式)在iDeviceReRestore根目录下按Win+R键,输入CMD,进入命令提示符;在DOS中输入E:\idevicererestore-Windows\idevicererestore-rE:\idevicererestore-Windows\iPhone4,1_9.3.2_13F69_Restore.ipsw(这段代码的版本要输入你要降级系统版本)如果shsh没有问题的话,按下回车键等待完成即可SHSH有问题,就会降级失败。并不是所有的iPhone都适合升级ios10系统,很多用户在不知情的情况下升级了ios10,在升级ios10过后,最熟悉的滑动锁屏不见了,多年的滑动解锁习惯突然改变很不习惯,然而更难以接受的是iPhone在电池续航这一块本身用电已经很快了,升级ios10过后用电更快了,运行更方面也不如ios9。

回答2:

iso10系统怎么变为iso9的方法:

采用DFU模式的方法降级,这样降级的比较纯净不容易出问题。

1.保持设备处于开机模式或恢复模式,插入数据线(一定不要使用USB延长线、尽量插在机箱后面的USB接口)

2.先按下设备的Home键不要松开,再按下设备的开机键不要松开,直到设备屏幕熄灭再过4秒左右松开设备的开机键,但不要松开Home键,打开iTunes iTunes提示有恢复设备再松开Home键。此时进入DFU黑屏恢复模式, 设备屏幕为全黑状态!

无论是恢复模式还是DFU模式 ,手机连接iTunes后 iTunes都会有如下提示:

此时按住键盘上的Shift键(Windows系统)的同时点击 iTunes 的 恢复iPhone,选择下载的固件就可以开始刷机了。

刷机过程中,注意一定不要拔掉数据线、不要关闭iTunes动手机,只需要静静地等几分钟就好。iTunes恢复完成后会弹出一个窗口大致内容就是"iphone已经恢复完成,本窗口会在10秒后自动关闭",关闭这个窗口,然后拔开数据线,在手机上进行激活即可。

回答3:

是吧 iso10系统果然不好用,目前ISO验证已经关闭了8.4.1以下的SHSH。升级要回到ISO8的固件,只能回到8.4.1固件。
4S及以上的机型。目前最低都只能支持到8.4.1固件版本。且不可越狱,但是,如果你有8.4.1固件以下版本的shsh备份

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