Jailbreak your iPhone 4S and iOS 5 Redsn0w 0.9.9b5 Untethered

1:33:00 AM

Jailbreak your iPhone 4S and iOS 5 Redsn0w 0.9.9b5 Untethered

For those who are lucky to have iOS 5 installled on their “i” products like iphone, ipad or itouch whatever it is, you might like to do the Jailbreak iPhone iOS 5 Redsn0w 0.9.9b5 Untethered. If that so, well you’ve come in a right place. However, you need to follow the procedure on how to Jailbreak your iPhone carefully. The following step-by-step procedure was made by iPhone Development Team (whoever they are?), thanks to them for sharing untethered-jailbreak iOS 5 device using Redsn0w 0.9.9b5.

How to Jailbreak iPhone 4s iOS 5?
1.     First step is to install iTunes 10.5
2.     Back-up your device
3.     Download the right version of iOS 5. You can find tons of direct download links on the web or simply go to iTunes and download the iOS okay?
4.     Download and install redsn0w 0.9.9b5 for windows and mac
5.     Upon opening the file you may see the word “Jailbreak” click it, and then choose “Install Cydia”. This will take you to DFU mode and Redsn0w will automatically jailbreak your “i” Device.
6.     When finished installing Cydia, put your device in DFU mode and select the “Extras” that looks like the image posted here.
7.     Last step is to boot your device.


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 not to accidentally restore to the stock IPSW after you create the custom one! The custom one begins with NO_BB_ (for “no baseband”).

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.

Make sure iTunes is updated t0 version 10.5 (iTunes > Check for Updates), check your device has iOS 5 installed, and then run Redsn0w. Click “Jailbreak” and follow the on-screen prompts. If you’re new to jailbreaking, hit up Redmond Pie’s step-by-step walkthrough. Redmond Pie also has a guide on how to downgrade from iOS 5 to the last stable version of iOS 4.3, which you may have to do once a tethered jailbreak emerges.

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