How to Downgrade iPhone Firmware 1.1.1 to Old Crackable and Hackable 1.0.2 Version如何降级iPhone固件1.1.1旧Crackable和Hackable 1.0.2版本
Apple released a firmware software upgrade for Apple iPhone苹果公司发布了固件软件升级为苹果iPhone to version 1.1.1 1.1.1版 . 。 Other than a few features enhancements such as除了少数几样功能的增强，如 iTunes Wi-Fi Music Store的iTunes Wi - Fi的音乐商店 , the new iPhone OS also has its fair share of negative points. ，在新的iPhone操作系统也有其公平的份额负分。 One of the major annoyances is Apple has disabled ability for hackers to unlock SIM-lock and make illegally hacked or unlocked iPhones inoperable, becoming a useless toy, or ‘brick’.其中一个主要烦恼就是苹果已经停用能力的黑客解锁SIM卡锁，使非法侵入或上锁的iPhone无法使用，成为一个无用的玩具，或'砖' 。 Besides, cool iPhone hacks to install and use third-party applications on iPhone also no longer usable and not supported with the new firmware.此外，凉爽iPhone破解安装和使用第三方应用软件在iPhone上也不再实用，不支持新的固件。
To recover your iPhone from the hell of v1.1.1, doomed hacked iPhone users need to downgrade the operating system in iPhone to older version, ie v1.0.2, the version immediately precedes 1.1.1, at least until v1.1.1 is cracked.要恢复您的iPhone从地狱v1.1.1 ，注定破解iPhone用户需要降级操作系统的iPhone ，以旧版本，即v1.0.2 ，版本1.1.1先立即，至少是到v1.1.1破解。 Initially it’s announced that it’s起初它的宣布，它的 not possible to downgrade不可能降级 after upgrading to firmware 1.1.1, but apparently hacker named升级后的固件1.1.1 ，但显然黑客命名 Kmac1985 has succeed to revise steps to unbrick the ‘irreversible’ firmware again.已成功修改步骤unbrick的'不可逆转'的固件了。 And soon不久 easier method更容易的方法 is released, which is quoted below.被释放，这是引述如下。
The instructions will downgrade iPhone’s firmware to 1.0.2 from 1.1.1.这些指示将调降iPhone的固件1.0.2从1.1.1 。 However it won’t downgrade iPhone modem baseband (which is still version 04.01.13_G after downgrade and not version 03.14.08_G used in firmware 1.0.2) which means that the upgrade won’t fix 0049 issue and cannot re-unlock the iPhone.但是它不会降级iPhone的基带调制解调器（仍然是版本04.01.13_G降级后，并没有03.14.08_G版本中使用的固件1.0.2 ） ，这意味着升级不会修正0049的问题，不能再解锁iPhone的。 Which mean you will need a valid AT&T SIM card to use every functions on iPhone including phone calls, voicemails, EDGE (GPRS) and SMS, else you can only use the Youtube, iPod and WiFi Internet features.这意味着您将需要一个有效的AT ＆ T的SIM卡使用一切功能，包括在iPhone上电话，语音邮件，高速EDGE （ GPRS ）和短信，否则你只能使用YouTube ， iPod和无线上网功能。 However, best part is that the phone is activated and all apps and 3rd-party software is working.然而，最好的部分是，手机被激活，所有的应用程序和第三方软件的工作。
- Download the iPhone1,1_1.0.2_1C28_Restore.ipsw restore image from下载iPhone1 ， 1_1.0.2_1C28_Restore.ipsw还原图像 Apple苹果 . 。 On a Mac, do not unzip the file, iTunes will do this automatically.在Mac上，不要解压缩文件， iTunes会自动地做到这一点。
- Connect iPhone to the dock.连接iPhone的码头。
- Hold down Power (top or Sleep/Wake) and Home buttons for about 10 seconds until phone turns off (screen goes dark) to reboot iPhone.按住电源（顶部或睡眠/唤醒）和主页按钮为约10秒钟，直到手机关掉（屏幕不用黑暗）重新启动的iPhone 。
- Right after iPhone is off, release the Power (top) button but continue to press and hold the Home button.后iPhone是关闭，释放的力量（上）按钮，但继续按住的主页按钮。 After about another 10 seconds, iTunes will detect iPhone in restore mode and automatically launch itself to restore firmware to the phone.经过约10秒钟， iTunes会发现iPhone的恢复模式和自动启动本身恢复固件到手机上。
- Press and hold down SHIFT key (in Windows) or Option/ALT-key (in Mac) when clicking the Restore button in iTunes.按住SHIFT键（在Windows ）或Option / Alt键（在Mac ）时，按一下按钮，还原在iTunes 。
- Select the firmware 1.0.2 file (iPhone1,1_1.0.2_1C28_Restore.ipsw) that is downloaded from first step.选择固件1.0.2文件（ iPhone1 ， 1_1.0.2_1C28_Restore.ipsw ）这是从第一步。
- Wait for the restoration process to complete, and ignore any error at the end of the process.等待恢复过程才能完成，而忽略任何错误在该进程的结束。 Once restoration is done, the iPhone screen should show “Connect to iTunes” message with a yellow triangle.一旦恢复完成后， iPhone的屏幕上应显示“连接到iTunes ”消息与一个黄色三角形。
- Run跑 AppTap (Installer.app) to jailbreak your phone - it will restore it to a working 1.0.2 firmware it even though you get errors. （ Installer.app ） ，以越狱您的电话-这将恢复它的工作1 .0.2固件它，即使你的错误。
- Run AppTap again to actually install the installer.app.再次运行AppTap实际安装installer.app 。
- For AT&T Users, reset iPhone before start using your phone again.为AT ＆ T用户，重置iPhone前开始使用您的手机了。 Failure to do so may result in you being charged for your “free services.”如果不这样做，可能会导致您被指控为您的“免费服务” 。
IMPORTANT : This is a machine translated page which is provided "as is" without warranty. 重要说明：这是一台机器翻译网页这是“原样”提供，无保修。 Machine translation may be difficult to understand.机器翻译可能很难理解。 Please refer to请参阅 original English article英文原文的文章 whenever possible.只要有可能。
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October 1st, 2007 19:47 2007年10月一日19:47
[...] latest iPhone software update! [...]最新的iPhone软件更新！ If you accidentally upgraded and ‘bricked’ your iPhone, downgrade the firmware.如果您不小心升级和' bricked '您的iPhone固件降级。 Get help or contribute tips or tricks at My Digital Life [...]获得帮助或有助于秘诀或技巧在我的数字生活[...]
October 1st, 2007 19:49 2007年十月1日19时49分
[...] Downgrade to iPhone old firmware software. [...]降级到旧固件iPhone软件。 Get help or contribute tips or tricks at My Digital Life [...]获得帮助或有助于秘诀或技巧在我的数字生活[...]
October 4th, 2007 11:52 2007年10月四日11:52
[...] Well, the steps are actually pretty similar to how to restore the iPhone normally, and the steps to downgrade from 1.1.1 to 1.0.2. [...]嗯，步骤实际上是非常相似如何恢复iPhone的正常，和步骤，以降低从1.1.1至1.0.2 。 [...]
October 11th, 2007 06:26 07年一十月11号06:26
I bought my iPhone and it had software 1.0.2 on it.我买了我的iPhone和它的软件1.0.2上。 I then upgraded to software 1.1.1 when it was released.然后我的软件升级到1.1.1时被释放。 Today I tried to downgrade to software 1.0.2 but after a good 40 tries I gave up because I kept getting the iPhone “iPhone” could not be restored.今天，我想降级到软件1.0.2但在一个良好的40个尝试我放弃了，因为我一直得到iPhone的“ iPhone ”不可能得到恢复。 An unknown error occured (1).发生一个未知的错误（ 1 ） 。 I did it in the black screen restore mode and the iTunes logo + cable restore mode and nothing works.我没有在黑色画面还原模式和iTunes徽标+电缆恢复模式和任何工程。 Any help would be greatly appreciated !任何帮助将不胜感激！ Thank you.谢谢您。
October 15th, 2007 02:55二○○七年10月15日2时55
ok i followed the instructions and did everything, the iphone did everything it was supposed to, but after running the apptapp the second time and being told it was done and completed, nothing has happened to the iphone.我也跟着玉的指示，并做了一切，对iPhone做的一切都是有人要，但在运行apptapp第二次和被告知这是完成和已完成的，一切都没有发生到iPhone 。 it is still saying “no sim card installed” and stays on that screen.它仍然说“不安装SIM卡” ，并留在该屏幕上。
what should i do?我应该怎么办？
using XP使用XP的
October 16th, 2007 13:20 07年10月十六日13:20
i can’t Downgrade my iphone我不能降级我的iphone
can every body teach me how to do it by email每个人都可以教我怎么做，通过电子邮件
pleas认罪
THANK YOU VERY MUCH!!!非常感谢你！
nyu.99@hotmail.com nyu.99 @ hotmail.com
October 31st, 2007 01:52 2007年十月31日01:52
i need help with downgrading my iphone it would be greatly apprciated if i had some tips on doing so… windows user我需要帮助，我的iphone降级这将大大apprciated如果我有一些建议这样做... Windows用户
November 15th, 2007 08:49 2007年11月十五日八时49分
I just bougth the phone I started by pressing Power (top or Sleep/Wake) and Home buttons for about 10 seconds until phone turns off (screen goes dark) to reboot iPhone.我只是bougth电话我开始按功率（顶部或睡眠/唤醒）和主页按钮为约10秒钟，直到手机关掉（屏幕不用黑暗）重新启动的iPhone 。 ok and then I relesed the power button and held down the home button and it whent black!!!!玉，然后我relesed的电源按钮，并举行了家庭按钮，它whent黑色！ ！ and now I can’t switch it on!!!!!现在我无法切换它!!!!! WHAT!!!!什么！ ！ NOT MY BEAUTIFULL iPhone!!!!不是我的美丽iPhone ！ ！
December 27th, 2007 14:20 2007年12月27日14:20
[...] has introduced a new firmware upgrade 1.1.1 for iPhone which is officially irreversible (although workaround instructions to downgrade to version 1.0.2 has emerged). [...]引进了一种新的固件升级1.1.1的iPhone正式这是不可逆转的（虽然替代的指示降级到版本1.0.2已经出现） 。 And once updated, iPhone is uncrackable and thus users can no longer jailbreak or install useful [...]并再次更新， iPhone是uncrackable ，从而用户可以不再越狱或安装有用[...]
July 14th, 2008 08:13 08年七月14日8时13
I tried all these steps and now my iPhone won’t turn on neither.我尝试所有这些步骤，现在我的iPhone将无法打开也没有。 I have tried these steps plenty of times and the same “Unknown Error” comes up.我试图步骤大量的时间和相同的“未知的错误”出现。 Can someone please help me fully fix my iPhone again by E-Mail:是否有人可以帮助我完全修复我的iPhone再次电子邮件： L13VANO@LIVE.COM
Thank You谢谢您
August 4th, 2008 08:33 2008年8月4号8点33分
Ahh.稀释。 Thank you.谢谢您。 All I needed to know was how to select a seperate file to restore from.我需要知道是如何选择一个单独的文件中恢复从。 Those sneaks at macintosh.这些偷偷在麦金塔。 Making you hold down shift without telling you.让你按住SHIFT键没有告诉你。 arg!精氨酸！ they make me so mad!他们让我很生气！ The Itouch 1.1.5 dosesnt allow u to jailbreak.在Itouch 1.1.5 dosesnt允许U以越狱。 like wtf?像跆拳道？ but I got downgraded back to 1.1.4 and feeling proud cause I can write apps again但我将回到1.1.4和感觉造成自豪我能再次写的应用程序