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Jailbreak iOS 5.0.1 on iPhone, iPad & iPod Touch Using Redsn0w 0.9.9b8 [How-To Guide]

There is a widespread complaint about Apple's latest version of its mobile operating system, the iOS 5. And this concerns about the battery life which was seemingly degraded on devices running on iOS 5, a problem which was admitted by Apple. This prompted the Cupertino company to release the first ever pre-release version of iOS 5, dubbed iOS 5.0.1, albeit for developers only. As stated, this update is mainly to fix iOS 5 battery problems. But jailbreak fans will probably be asking, can it be jailbroken? Well as it turns out, you can, using iPhone Dev Team's Redsn0w program.

Redsn0w Tool
NOTE: This jailbreak method will NOT work on the iPad 2 and the new iPhone 4S. In addition, this is a tethered jailbreak which means that you will need to connect your iPhone, iPad or iPod touch to a computer and run it over Redsn0w before you can restore it to its jailbroken state. No untethered solution is available yet.

Before You Proceed:

Steps on How to Jailbreak iOS 5.0.1 Using Redsn0w 0.9.9b8:

  1. Install iOS 5.0.1 firmware on your iPhone, iPad or iPod touch through iTunes 10.5.1 Beta 2.
  2. After updating your firmware, launch the latest version of Redsn0w (0.9.9b8). You should see two options: Jailbreak and Extras. Click Extras for now.
  3. Redsn0w 0.9.9b8

  4. And then Click on Select IPSW and point it to iOS 5.0.1 IPSW. Redsn0w 0.9.9b8 doesn't require you to the trick where you point to iOS 5.0 public release as it will natively recognize iOS 5.0.1 beta. But since it is not yet available for public, you will need to point to it at least once for caching purposes. For more details see Redsn0w update #16.
  5. redsn0w 0.9.9b8 Select IPSW

  6. Now return to the main menu and select the Jailbreak option. You will be asked by Redsn0w to place your device to DFU Mode. Don't fret if you do not know how to put your device to DFU Mode because on-screen instructions will be provided, so simply follow that.
  7. redsn0w 0.9.9b8 DFU Mode

  8. Once Redsn0w detects your device in DFU Mode, it will proceed to apply the jailbreak. And you are pretty much done. Just sit back and wait for the entire process to be completed.

Booting in Tethered Mode:

redsn0w 0.9.9b8 Tethered Boot
As mentioned before, this is a tethered jailbreak. If your device shuts down or reboots, you will find your device stuck in the Apple Boot Logo and will be unusable. To restore your device, simply connect your device to a computer. Open Redsn0w > Extras > Just Boot. You will be asked to put your device to DFU mode, so again, just follow the on-screen instructions.

Converting to Semi-Tethered Jailbreak:

SemiTether App
If you want the next best thing to an untethered jailbreak, we recommend you apply the SemiTether tweak into your jailbroken iPhone through Cydia. It renders your device usable even if it is rebooted but you won't be able to access all of your jailbreak components until you run it over Redsn0w for a Tethered Boot. For an in-depth tutorial, see our Semi-Tethered Jailbreak guide.

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    Dainius9 years, 11 months ago

    Hey Jaxov,

    you helped me before and so I turn to you again.

    I have an iPhone 3GS running a jailbroken iOS 5 with 6.15 baseband. I want to restore my iPhone iOS 5 to fix the location services bug in the early redsn0w versions, but even using pwned DFU mode, iTunes tells me that my device is not eligible for the build…


      Pramod9 years, 11 months ago

      Nothing can be done about it because Apple has stopped signing iOS 5 already & so its impossible to restore to the same even with anykind of cached SHSH blobs for the same if you have any.