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iPhone 2.2 firmware brings better design to several elements of the UI. iPhone 2.2固件的设计带来更好的用户界面几个要素。 There are also new features like Google Street View and support for podcasts downloading via WiFi. This method of iPhone firmware unlock works for the iPhone 2G version only. Note that if you own a purchased version of previous firmware, version 2.2 is a free upgrade.也有像谷歌街景和通过WiFi下载播客支持新的功能。 这种方法解锁iPhone固件的iPhone的2G版本仅适用。请注意，如果你拥有了以前购买版本固件，版本2.2是一个免费的升级。
Related: How to相关：如何 update iPod Touch Firmware for free免费更新iPod触摸固件
The new iPhone 2.2 firmware 新的iPhone 2.2固件
How to unlock iPhone 2.2 firmware for free如何打开iPhone 2.2固件免费
- Download iPhone 2.2 firmware iPhone 2G from links below:下载iPhone 2.2固件的iPhone第二代以下链接：
Part 1第1部分
Part 2第2部分
Part 3第3部分ADVERTISEMENT 广告After downloading the above files, extract them using在下载上述文件，提取并使用 IZArc IZArc or 7Zip (Windows), or或7Zip（Windows），或 UnRAR的unrar (for Mac OSX). （用于Mac OSX）。
You will get a file named iPhone1,1_2.2_5G77_Custom_Restore.ipsw你会得到一个文件名为iPhone1，1_2.2_5G77_Custom_Restore.ipsw
- Connect iPhone to computer and open iTunes. Important: Click Cancel if iTunes asks you to update your iPhone to the latest firmware.连接iPhone到电脑并打开iTunes。 重要提示： 单击取消如果iTunes会要求您更新您的iPhone的最新固件。
- Backup all important data on iPhone.备份所有iPhone的重要数据。
- Press and hold Shift and click “Restore” and point iTunes to iPhone 2.2 Firmware that you downloaded and extracted.按住Shift键并点击“恢复”，并指出iTunes将iPhone 2.2固件，您下载并解压缩。
If done correctly, the iPhone would be an unlocked and jailbroken with firmware 2.2.如果操作正确，iPhone将是一个上锁和固件2.2 jailbroken。 Image credit:图片信用： Apple苹果 . 。
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