From The Apple Wiki
Developer(s)iPhone Dev Team
Initial releaseUnknown
Final release
0.9.15b3 / 1 November 2012; 11 years ago
Operating systemmacOS and Windows
SizemacOS: 17.2 MB
Windows: 16.5 MB
TypeJailbreaking tool

redsn0w is a jailbreaking tool released for macOS and Windows. Originally released as QuickPwn, the name was change to redsn0w with version 0.7 due to exploitation of the name by

Version 0.7 added unlocking of supported devices.

Version 0.8 added support for jailbreaking the iPhone 3GS.

Version 0.9b3 was released for Windows and macOS, and it allows iOS 3.0 through 3.1.2 to be jailbroken. It includes support for all devices except the iPod touch (3rd generation), and supports a tethered jailbreak on iPhone 3GS units and iPod touch (2nd generation) units with new bootroms. In addition, this version supports custom boot and recovery mode logos, as well as verbose mode on bootup.

Version 0.9.2 supports jailbreaking of all iDevices (at the time) with iOS 3.0 through 3.1.2 on Windows and macOS, as well as 3.1.3 on S5L8900 devices. Version 0.9.3 adds support of internet tethering IPCC hack on those devices and 0.9.4 allows jailbreaking of early iPod touch (2nd generation) with iOS 3.1.3.

Version 0.9.5b5-5 supports jailbreaking the iPhone 3G and iPod touch (2nd generation) (old bootrom) with iOS 4.0 on Windows and macOS.

Version 0.9.6b6 supports jailbreaking iOS 3.2.2, 4.1, and 4.2.1 for every device that supports those versions (except Apple TV (2nd generation)), on Windows and macOS.

Version 0.9.10b1 adds support for iOS 4.2.6 through 5.0.1 (though iOS 4.2.9, 4.2.10, 4.3.4, 4.3.5, and 5.0 are tethered on devices invulnerable to the 0x24000 Segment Overflow). This build of redsn0w is not capable of jailbreaking S5L8940 or newer devices.


Initial releases[edit]

Version Release date macOS Windows Changes
Lite Unknown Yes Yes
0.3 Unknown Yes Yes

0.7.x series[edit]

Version Release date macOS Windows Changes
0.7 Unknown Yes Yes
  • Untethered jailbreak for all devices but iPhone 3GS
0.7.1 Unknown Yes Yes Bug fixes for versions 0.7
0.7.2 Unknown Yes Yes Bug fixes for versions 0.7

0.8.x series[edit]

Version Release date macOS Windows Changes
0.8 7 July 2009 Yes Yes
  • Performs an untethered jailbreak on iOS 3.0/3.0.1 (when pointed at 3.0) for all devices supported by those firmware.

0.9.0-0.9.4 releases[edit]

Version Release date macOS Windows Changes
0.9.2 Unknown Yes Yes
0.9.3 Unknown Yes Yes
  • Contains the IPCC hack to enable tethering on the iPhone 3G and 3GS.
0.9.4 Unknown Yes Yes

0.9.5 series[edit]

Version Release date macOS Windows Changes
0.9.5b3 21 Jun 2010 Yes No
0.9.5b4 Unknown Yes No
  • Resolved a problem with iBooks.
0.9.5b5 Unknown Yes No
  • Supposed to fix any APN or MMS issues that users were seeing.

0.9.6 series[edit]

Version Release date macOS Windows Changes
0.9.6b1 21 September 2010 Yes Yes
0.9.6b2 31 October 2010 Yes Yes
0.9.6b3 21 November 2010 Yes Yes
  • Supports the installation of custom bundles
0.9.6b4 23 November 2010 Yes Yes
0.9.6b5 28 November 2010 Yes Yes
0.9.6b6 1 December 2010 Yes Yes
  • Allows you to "deactivate" a hacktivated phone, so sbingner's Subscriber Artificial Module (SAM) can trick your iPhone and iTunes into creating legitimate activation tickets.
0.9.6 release candidate 7 2 January 2011 Yes Yes
0.9.6 release candidate 8 5 January 2011 Yes Yes
  • Informs users if a boot logo PNG is invalid, and why.
  • Introduced the "-a" command-line argument to eliminate clicking.
0.9.6 release candidate 9 3 April 2011 Yes Yes
  • Adds support for jailbreaking iOS 4.3.1 on all compatible devices except the iPad 2 and Apple TV (2nd generation).
  • New command line parameters k and d [1]:
    • -k --kernelcache=<str> use specified kernelcache (advanced)
    • -d --devicetree=<str> use specified devicetree (advanced)
0.9.6 release candidate 10 7 April 2011 Yes Yes
  • Added boot animations
  • Removed misleading Settings
0.9.6 release candidate 11 7 April 2011 Yes Yes
  • Makes the boot animation a bit more robust
0.9.6 release candidate 12 8 April 2011 Yes Yes
  • Fix any lingering issues with the boot animation
0.9.6 release candidate 13 19 April 2011 Yes Yes
  • Adds support for jailbreaking iOS 4.3.2 on all compatible devices except the iPad 2.
0.9.6 release candidate 14 19 April 2011 Yes Yes
0.9.6 release candidate 15 6 May 2011 Yes Yes
  • Adds support for jailbreaking iOS 4.3.3 on all compatible devices except the iPad 2.
0.9.6 release candidate 16 16 May 2011 Yes Yes
0.9.6 release candidate 17 20 May 2011 Yes Yes
  • Adds advanced command line options for kernel hackers.
0.9.6 release candidate 18 14 June 2011 Yes Yes
0.9.6 release candidate 19 12 July 2011 Yes Yes
  • When a custom bundle is applied, most of the normal jailbreak steps (like stashing and untethering) are skipped.

0.9.7 series[edit]

Version Release date macOS Windows Changes
0.9.7b1 26 December 2010 Yes No
  • Jailbreaks iOS 4.1-4.2.1 on all compatible devices.
    • Able to achieve an untethered jailbreak on 4.2.1, provided the user has 4.2b3 SHSHs and the 4.2b3 IPSW.
      • This version of "Jailbreak Monte" has quite a number of bugs, particularly app switcher crashes and disabled Bluetooth.
0.9.7b2 26 December 2010 Yes No
  • Fixes crashing bugs on GUI apps.
0.9.7b3 27 December 2010 Yes No
  • Fixes crashing bugs completely.
0.9.7b4 31 December 2010 Yes No
  • usbmuxd integrated.
0.9.7b5 8 January 2011 Yes No
  • Issues related to Bluetooth and the sandbox are resolved.
0.9.7b6 10 January 2011 Yes No
  • fixes Skype

0.9.8 series[edit]

Version Release date macOS Windows Changes
0.9.8b1 10 June 2011 Yes Yes
  • Performs a tethered jailbreak of iOS 5.0b and 5.0b2 (when pointed at the beta IPSW) on all compatible devices except the iPad 2.
0.9.8b2 11 July 2011 Yes Yes
  • Performs a tethered jailbreak of iOS 5.0b, 5.0b2, and 5.0b3 on all compatible device except the iPad 2.
  • Fixes the iOS 5.0b3 sandbox issues present in the previous version.
0.9.8b3 16 July 2011 Yes Yes
0.9.8b4 23 July 2011 Yes Yes
0.9.8b5 9 August 2011 Yes Yes
0.9.8b6 23 August 2011 Yes Yes
0.9.8b7 31 August 2011 Yes Yes
0.9.8b7b 2 September 2011 Yes Yes
0.9.8b7c 6 September 2011 Yes Yes

0.9.9 series[edit]

Version Release date macOS Windows Changes
0.9.9b1 19 September 2011 Yes Yes
  • Complete rewrite.
  • No longer requires IPSWs when jailbreaking public builds. When jailbreaking beta/Golden master firmwares, need to specify IPSW once, then auto-recognizes it.
  • Redsn0w now fetches SHSH from device, querys Cydia about saved blobs, stitches IPSWs with SHSH blobs (not for iPhones) and able to submit SHSH to cydia
  • Includes Terminal shell commands into the GUI.
0.9.9b2 4 October 2011 Yes Yes
  • Fixes Verizon iPhone 4 firmware detection
  • Fixes 'Fix Recovery'
  • Fixes for Stitching
  • Fixes for blob processing
0.9.9b3 5 October 2011 Yes Yes
  • Auto-detects the iOS 5.0 GM firmware now.
  • Allows a jailbreak (albeit still tethered apart from iPhone 3GS old bootrom) on iOS5 GM
0.9.9b3a 5 October 2011 No Yes
  • Fixes a Windows-only caching bug
  • Allows Windows users to rename the redsn0w exe to anything containing 'boot' to jump straight to the tethered boot stage on load (thus adding one-click tethered boot to Windows redsn0w)
  • 0.9.9b3 still works fine for Mac users except they don't have the new 'boot' rename feature that this version has
0.9.9b4 12 October 2011 Yes Yes
  • Now auto-recognizes iOS 5 and no longer requires IPSW submission on iOS 5 jailbreak
0.9.9b5 13 October 2011 Yes No
  • Custom IPSW feature (from PwnageTool) for Baseband preservation.
0.9.9b6 18 December 2011 Yes Yes
  • Fixes location services issues for iPhone 3GS with 06.15.00 baseband
0.9.9b7 21 October 2011 Yes Yes
  • You can now choose whether you want redsn0w or Cydia to Stash Applications (can shorten redsn0w session by 60%)
0.9.9b8 3 November 2011 Yes Yes
0.9.9b9 19 December 2011 Yes Yes
0.9.9b9b 19 December 2011 Yes Yes
  • Enables the “Custom” button in Windows to allow baseband preservation.
  • Warns against flashing baseband 06.15.00 on newer iPhone 3GS devices (2011 week 35) more explicitly.
0.9.9b9c 19 December 2011 No Yes
  • Special build for Windows users encountering issues with the update check.
0.9.9b9d 20 December 2011 Yes Yes

0.9.10 series[edit]

Version Release date macOS Windows Changes
0.9.10b 27 December 2011 Yes Yes
  • The jailbreak for iOS 5.0.1 is now untethered.
0.9.10b2 27 December 2011 Yes Yes
  • Fixes an issue with launchctl that the untether caused.
0.9.10b3 28 December 2011 Yes Yes
  • Fixes a problem where re-running redsn0w over an existing jailbreak would cause Mobile Substrate-based apps to stop running until Mobile Substrate was installed again.
0.9.10b3 novcheck 29 December 2011 No Yes
  • ?
0.9.10b4 15 January 2012 Yes Yes
  • Includes a fix for iBooks on iOS 5.0.1.
  • Addresses an issue where the launchctl fix didn't work sometimes.
0.9.10b5 29 January 2012 Yes Yes
  • Circumvents jailbreak detection in iBooks that caused ~10% of images to display properly.
0.9.10b5b 1 February 2012 Yes Yes
0.9.10b5c 12 February 2012 Yes Yes
  • Prevents redsn0w from crashing due to increasing ramdisk sizes.
0.9.10b6 7 March 2012 Yes Yes
0.9.10b6b 11 March 2012 Yes No
  • Fixes small issues for macOS v10.5.8 and earlier.
0.9.10b7 20 April 2012 Yes Yes
  • Implements the Corona A5 jailbreak for iPhone 4S and iPad 2 devices still at 5.0.1
  • Can also re-install that jailbreak for those who accidentally uninstalled the untether
  • When stitching an IPSW, it can now grab your blobs directly from Cydia.
  • Now shows a lot more info about your device, for instance, whether your iPhone 3G has the vulnerable baseband bootloader, or whether your iPhone 3GS has the old exploitable bootrom
0.9.10b8 23 April 2012 Yes Yes
  • Can backup those priceless activation tickets many are grabbing today
  • Adds ability to backup arbitrary directories or files from your device into a ZIP file on your Mac or PC
0.9.10b8b 23 April 2012 Yes Yes
  • Makes the ZIP files compatible with the native Windows Explorer.

0.9.11 series[edit]

Version Release date macOS Windows Changes
0.9.11b1 11 May 2012 Yes Yes
0.9.11b2 12 May 2012 Yes Yes
0.9.11b3 14 May 2012 Yes Yes
  • This release should fix the "Restore failed" messages people were sometimes getting.
  • Behaves better with nearby devices that have Wi-Fi syncing enabled.
0.9.11b4 14 May 2012 Yes Yes
  • Completes the tethered jailbreak support for iOS 5.1.1 on A4 devices and earlier, including proper "Stitching" and "Custom" creation of NO_BB IPSWs

0.9.12 series[edit]

Version Release date macOS Windows Changes
0.9.12b 4 June 2012 Yes Yes
  • Adds Rocky Racoon for all devices on iOS 5.1.1.
    • On A4 devices and earlier, users can choose between the backup restore method (like Absinthe) or using a ramdisk-based jailbreak (how redsn0w usually works).
0.9.12b2 8 June 2012 Yes Yes
  • Users on iOS 5.1.1 are now explicitly asked if they wish to use the backup/restore method or the DFU ramdisk method for jailbreaking.
  • Fixes iBooks problems on the iPhone 3GS (old bootrom).
  • Provides more helpful error messages.

0.9.13 series[edit]

Version Release date macOS Windows Changes
0.9.13 developer-only 1 13 June 2012 Yes Yes
  • Jailbreaks iOS 6.0b.
0.9.13 developer-only 2 15 June 2012 Yes Yes
  • Fix the various SSH problems and crashes with apps that some have been seeing.
0.9.13 developer-only 3 16 July 2012 Yes Yes
  • Covers 6.0b3 release and also adds explicit support for 6.0b2.
0.9.13 developer-only 4 13 September 2012 Yes Yes
  • ???

0.9.14 series[edit]

Version Release date macOS Windows Changes
0.9.14b1 18 June 2012 Yes Yes
  • Add a baseband downgrade option in redsn0w for those who are using the iPad’s 06.15.00 baseband on the iPhone 3G or iPhone 3GS.
0.9.14b2 4 July 2012 Yes Yes
  • Improves the iPad baseband downgrade and should cover anyone who couldn’t downgrade with 0.9.14b1. Also simplified the process and added logging to help diagnose any remaining stubborn iPhones.

0.9.15 series[edit]

Version Release date macOS Windows Changes
0.9.15b1 14 October 2012 Yes Yes
0.9.15b2 15 October 2012 Yes Yes
  • After restoring an iPhone 3GS, redsn0w keeps track of its bootrom version while it's still open.
  • Fixes support for upgrading to/downgrading baseband 06.15.00.
0.9.15b3 1 November 2012 Yes Yes
  • Save iPad (4th generation) and iPad Mini SHSH blobs.
  • Fixes of error 14 when stitching blobs and error 2601 for windows users when restoring.

Exploits used[edit]

For iPhone, iPod touch, and iPhone 3G:

For iPod touch (2nd generation):

For iPhone 3GS:

For iPod touch (3rd generation):

For iPhone 4, iPod touch (4th generation), iPad and Apple TV (2nd generation):

For iPad, iPad 2, iPad (3rd generation), iPhone 3GS, iPhone 4, iPhone 4S, iPod touch (3rd generation) and iPod touch (4th generation):

External Links[edit]