這邊箱 iOS 5正式推出，那邊箱的名黑客團隊Dev-Team已宣佈推出可對應iOS 5正式版的 redsn0w 0.9.9b5版本，可以用Tethered方式進行越獄。不過由於使用舊方式進行JB，所以新的機種，像使用A5 處理器 iPhone 4s 和 iPad 2並不支援，有需要的讀者就要先做做白老鼠了。
以下短片示範如何做用Redsn0w(示範版本為0.9.9b3)進行JB，由於現時釋出的JB工具還不是完美的，即是JB後每當重新開機就要重新地進行一次JB動作。
以下是來自Dev-Team Blog的說明和redsn0w的下載點：
Update #13: With today’s official iOS5 release, redsn0w has been updated to 0.9.9b5 to include the public URLs for the IPSW files. This way, first-time iOS5 jailbreakers don’t need to supply the IPSW file manually. It’s still a tethered jailbreak on all except the old-bootrom iPhone3GS, and it doesn’t apply to iPad2 or the upcoming iPhone4S.
Because the jailbreak is currently only tethered for most devices, we’re not going to release a new PwnageTool yet. Instead, we’ve decided to build some of PwnageTool’s functionality into redsn0w (since you need redsn0w to “Just boot tethered” on every power cycle anyway). The new “Custom IPSW” button on the Extras screen will create a custom IPSW without the baseband update for 4.3.3 or 5.0gm (iPhone3GS and iPhone4 only, for now). Remember to NOT accidentally restore to the stock IPSW after you create the custom one! The custom one begins with NO_BB_ (for “no baseband”). On Mac iTunes, you select an IPSW by holding down the Option key while clicking “Restore”.
You must enter “Pwned DFU” mode before trying to use the NO_BB_ IPSW with iTunes (and your hosts file cannot be pointing to Cydia’s servers due to the new blob nonce mechanism they’re using in iOS5).
Version 0.9.9b5 is available only for Mac for now, until we can do more testing on the Windows version of “Custom IPSW”.
We’re currently working on a normal compatibility update for existing ultrasn0w unlockers. After that we’ll try to fix the iBooks issue on jailbroken iOS5.
下載：
- redsn0w 0.9.9b5 for Mac
- redsn0w 0.9.9b4 for Windows (version 0.9.9b5 稍後推出)
支援機種如下：
- iPod touch 3G
- iPod touch 4G
- iPad 1
- iPhone3GS
- iPhone4 (GSM)
- iPhone4 (CDMA)
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