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Thursday, December 29, 2011

[HOW-TO] - Downgrade iPad 2 GSM / CDMA From iOS 5.0.1 To iOS 4.3.3 Using TinyCFW


  • Notcom, the developer behind TinyUmbrella released a new tool called TinyCFW. 
  • What TinyCFW is that it prevents any errors and looping when downgrading iPad 2 GSM / CDMA or iPhone 4 GSM / CDMA from iOS 5.0.1 / 5.0 to iOS 4.3.3 to get their jailbreak.
  • The reason why many of you might want to downgrade their iPad 2 from iOS 5.0.1 to iOS 4.3.3 is that because there’s no any jailbreak available for iPad 2 except Comex’s JailbreakMe 3.0 which only works on iOS 4.3.3. 
  • So if you’re one of those who accidently updated to iOS 5.x, having iOS 4.3.3 SHSH blobs and want to downgrade back, TinyCFW makes this process easier by creating a custom firmware that will be able to be recognized by TinyUmbrella so that the device can be downgraded.
  • iPhone 4 reasons might want to downgrade back to iOS 4.3.3 so that they get untethered jailbreak which is only available on that version. 
  • However, pod2g and Dev-Team already released an untethered jailbreak for all A4 devices so ther's no reason to downgrade.


What TinyCFW is:

  • It will modify an existing ipsw for an ipad2 gsm/cdma or iphone4 gsm/cdma
  • It WILL modify the ipsw TO UPDATE YOUR BASEBAND TO THE LATEST!
  • It will create an ipsw that you can use with TinyUmbrella AND iTunes to restore to a version of iOS that you have SHSHs for.
  • It is primarily for iPad2 with a baseband OR iPhone 4.
What TinyCFW is NOT:
  • A jailbreak
  • An unlock
  • A tool to protect your baseband.
  • A tool that will restore your device to any firmware
  • A tool for use with iPhone 3GS, iPhone 3G, iPad, or iPhone 4S

Steps To Downgrade iPad 2 / iPhone 4 On iOS 5.0.1 To iOS 4.3.3

STEP 1: Download the required files below:

  • Download iOS 4.3.3 for iPad 2 or iPhone 4 from here.
  • Download TinyUmbrella (Windows / Mac)
  • Download TinyCFW (Windows - Jar)
  • Download iTunes from here.

STEP 2: Now start TinyCFW (note: you must have java installed and at least 2.5 GB of RAM). Once it opens, hit the top button and choose iOS 4.3.3 IPSW.

STEP 3: Now click on the second button so that TinyCFW will tell you the firmware and baseband versions.

STEP 4: Click on ‘Save Target IPSW’ then wait two minutes and you’ll get a file named:
.bbupdate.ipsw

STEP 5: Now open Tinyumbrella and make iTunes look at Cydia’s Server from the “Advanced” options.

STEP 6: Plug your iPad 2, switch it off, and put it in DFU mode.

STEP 7: Finally open iTunes and select the custom firmware you created above to restore your iPad 2.

  • Once restored, you’llget your iPad 2 on iOS 4.3.3. 
  • You can then head to JailbreakMe.com and start jailbreaking your device

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