HoDowngrading 4.0.2 to 4.0.1 Debunked, Not Possible Without ShSh’s

Notcom the creator of TinyUmbrella has finally cleared up a lot of misinterpretation regarding out of the box iphone’s with 4.0.2 firmware being able to downgrade. As you may know a lot of people are posting a how to guide on downgrading to 4.0.1 without shsh’s. Sorry to all but that is completely false.

Notcom explains it all on his blog and then some telling people what exactly is being done when doing this supposed firmware trick that lets you downgrade. More info after the break:

Below is what NotCom had to say about this whole situation:

There is much discussion on many blogs about a potential means of downgrading iOS 4.0.2 to 4.0.1 by simply changing a couple values in the buildmanifest.plist and copying all of the images from 4.0.1 into 4.0.2 and then deleting the files ending with 002. Following all of this, perform a DFU restore and somehow you will be on 4.0.1.

There is a perfectly logical explanation for all of this and I will lay out exactly what is happening and explain why it is working for the folks that are the lucky ones.

Let me get this out first.

  1. This is not a miracle, at least not in the sense you all hope for
  2. SHSHs are STILL required for any iPhone 4, iPhone 3GS, iPad, iPod Touch 3G, and iPod Touch 2G (MC Model)
  3. There is NO way around this… unfortunately this method included.

Let me start by explaining something very important. The buildmanifest is used by iTunes to build much of the TSS request that is used to obtain your SHSH for any given firmware revision. Unfortunately, the BuildNumber has no part to play in the request for SHSH. All that you ended up doing in following these directions is request 4.0.1 SHSH blobs. THAT IS ALL. Since every single one of you that got this to work changed your hosts file to point to Cydia, Cydia responded to the TSS request with an SHSH blob that was ALREADY “on-file”. There was no magic. There was no miracle, apart from the lucky break that your device had been put on Cydia’s SHSH request list at some time in the distant past.

That’s it in a nutshell folks. There was no amazing technique for bypassing Apple’s TSS. There was no amazing exploit that exists in DFU mode allowing for 4.0.2 -> 4.0.1 downgrading. It’s simple; Cydia had your SHSH because at sometime in the past either:

  • Someone saved your SHSH with that device using TinyUmbrella and the default options
  • Someone restored that device with Cydia in the hosts pointing to gs.apple.com
  • Someone jailbroke the device and pressed ‘Make my life easier’

That’s it folks. Sorry to be a buzzkill but there was much confusion about this issue and many blog posts that simply didn’t give the full story of what exactly was going on.

New Features TinyUmbrella Update

Semaphore the developer of TinyUmbrella is working on a huge update for his famous program that lets you backup your shsh blobs. TinyUmbrella frees you from Apples controlling actions and lets you restore to any firmware you want if you use the program correctly. For a list of upcoming features:

● Device History: TinyUmbrella will remember device information of devices that have connected so that saving SHSH’s for those devices in the future no longer requires you to connect the device.
● Save All SHSH’s Available “On-File” at Cydia: TinyUmbrella will now automatically check Cydia for ALL SHSHs for the connected device (or device from history :) )
● TinyUmbrella will also help you detect what application is running on your computer that is taking up port 80 and will give you the option to kill that application. This should help many of you that don’t know what application may be listening on port 80 (ie. Skype)
● TinyUmbrella will also tell you what firmware versions you can safely downgrade or restore to whenever you connect the device (or select a device from history)
● TinyUmbrella will be sporting a cleaner UI based on some of the great suggestions from @chpwn (a friend and fellow chronic dev team associate)
● Support for PowerPC and more stable runtime for folks having problems running TinyUmbrella for odd and various reasons.

Long term plans include:

● Activation Support: I’ve started looking into the way the phone requests (and obtains) activation from apple’s servers. I’m confident I can duplicate this process but I have more investigation as the the process is incredibly complicated.
● Full Restore Support without iTunes: I’m looking at implementing my own complete restore mechanism. I have not decided if I’ll directly use @p0sixninja’s libirestore or whether I’ll try to do something that hasn’t been done before… ie in java :)

Via theiphonespot

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Cydia: NotSpot Removes Spotlight Search In iOS

NoSpot is a new tweak in cydia that completely removes spotlight search on your iphone. This is great for those who have an iphone 3g and are stuck with that very slow iOS 4 performance. Removing spotlight from your iphone may help it run smoother and load up quicker.

It is highly recommended for iphone 3g users to check this out if you don’t use spotlight. You can install this tweak free from cydia.

Via

Posted Monday August 30 2010 15:15 in Apps for iphone,News | Comments (0)
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Cydia: Synchronicity Lets You Use i-Device While Syncing

Synchronicity is a great tweak that we’ve all been waiting for. Are you tired of syncing your iphone with itunes and not being able to use it since you have to wait for it to finish??

Fret no more Synchronicity is here, this cool tweak lets you use your iphone even while syncing with itunes. No more oops i forgot im syncing and canceling it because you want to use your phone or answer that call.

You can purchase Synchronicity from cydia for $2.00. I do warn you to not open your ipod app while using this tweak and syncing your i-device because it may corrupt your music library and we all hate restoring.

Synchronicity Description:

Requires iOS v4.0 or higher.

Use your device while it syncs with iTunes!

Synchronicity gives you the option to use your device during an iTunes sync. Instead of being stuck at the lock screen while you transfer new content, you can unlock, run apps, make calls, etc. You can do whatever you want, except run the Music app, which is disabled during syncs to prevent data corruption.

Synchronicity works on any device with firmware 4.0 or 4.0.1.

Though overall performance is virtually unaffected, you may notice slight lag in certain resource/CPU-intensive operations.

Jailbreakme v2.0

Jailbreakme v2.0 was a great success, and it’s provided a nice leveling point for all jailbreakers and unlockers on all devices at firmware versions less than 4.0.2/3.2.2.  We hope that everybody ever interested in jailbreaks or unlocks was able to join in on the jailbreakme bonanza.  Those of you who had Cydia capture your SHSH blobs, or those of you who captured them locally, will always be able to benefit from the jailbreakme.com v2.0 release. Congratulations!

Now it’s a few weeks later, and Apple has closed the jailbreakme.com hole.  They’re shipping devices with FW 4.0.2/3.2.2, impervious to this particular jailbreak.  So now, people will begin to ask: will there be a jailbreak for devices that shipped with 4.0.2/3.2.2, out of the box?

No, there won’t be.  FW 4.0.2/3.2.2 was *only* released to fix the jailbreakme hole.  With FW 4.1 still in its beta stages, it makes no sense to escalate the “cat & mouse” with Apple for FW updates that only fix the jailbreak holes. To quote WOPR, “the only winning move is not to play”.

If the cat & mouse game escalates too quickly, especially during beta FW periods, nobody but Apple benefits.  For this reason, there won’t be a 4.0.2/3.2.2 jailbreak specifically during the period where 4.0.2/3.2.2 is the latest public release.  At best, some future 4.1x FW jailbreak *may* be compatible with 4.0.2/3.2.2 (but don’t count on that).

If any of this is confusing, please ask below in our comments section!

P.S.: For those of you with iPhone3G or iPod Touch 2G(not MC version), it’s true you can always use redsn0w to jailbreak your 4.x devices.   Don’t let that dilute the above message, though :)

Via iphone-dev.org

Posted Thursday August 26 2010 13:42 in Jailbreak,News | Comments (0)
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iMovicha: Free IM, Voice, Video Calls Via 3G/Wifi For Smartphones

iMovicha lets you IM, make free voice calls and video calls over 3G and/or WiFi and it works on iPhones, Android, Symbian, WinMo devices, Blackberry and Mac /Windows computers. So, if you have an iPhone and 3G/WiFi connectivity , you can IM, voice call/video call your buddy who’s owning an iPhone, an Android, Symbian, WinMo, Blackberry device or a Mac/Windows.

iMovicha key features:

  • Video calling
  • Voice calling
  • IM
  • Presence group management
  • Contact management
  • Preference Management

If you are using an Android based device, you will find the application in the market, but iPhone users will need to jailbreak the device and get the app from Cydia.

Esthetically the app is horrible, over 3G ( this may vary ) the video/audio quality is absolutely unbearable and the desktop clients are not very stable. Non the less, this is a promising start and we hope the developers will continue the development and make this app suitable for an iPhone.

You can find iMovicha in Cydia for free via BigBoss repo…

[fsm]

Posted Monday August 23 2010 21:17 in Apps for iphone,News | Comments (0)
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iTunes Accounts Hacked Once Again!!

9to5mac is reporting that iTunes accounts have been hacked once again and this time the hackers have taken aim at paypal users. It is reported that one unlucky itunes user was charged $4,700 for purchasing 50 items at $99.99 a piece, the good thing is the user noticed and had paypal cancel the transactions. The user from the pic above was not so lucky and didn’t notice anything until his accounts were drained.

So what do you do if all of this is going on??

It seems that the hackers are using itunes accounts with the paypal payment option to steal. A smart thing to do right now would be to delete any form of payment within your itunes account until Apple deals with this major problem. It is also smart to check all of your accounts whether it be paypal and bank accounts to make sure you see no suspicious activity.

Also don’t be caught being lazy and stay on the safe side, it is recommended you change your password to a secure one. A strong password would include more than 8 characters with numbers, letters, and symbols.

Posted Monday August 23 2010 21:15 in News | Comments (0)
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Multifl0w for iOS 4 Released, ProSwitcher Later This Week

Multifl0w, the visual multitasking switcher for the iPhone and iPad has just been released with support for iOS 4.

The exposé-like task-switcher for jailbroken iPhones, iPads, and iPod Touches has been has been rewritten for speed, reliability, a redesigned interface, and iOS4. It can even run alongside or replace Apple’s native task switcher. The newest version 2.0.0, can be downloaded from the Cydia Store for $4.99.

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Posted Monday August 23 2010 17:10 in Apps for iphone,News | Comments (0)
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TinyUmbrella 4.02.04: Save SHSH blobs for iOS 4.0.2

Download TinyUmbrella 4.02.04

How to Save SHSH blobs

A detailed guide on how to save SHSH blobs for iPhone, iPad and iPod Touch is linked below:

Save SHSH blobs for iOS 4.0.2

NOTE: for iOS 4.0.2  use advanced options to save SHSH blobs.

Posted Friday August 20 2010 14:31 in Jailbreak,News | Comments (0)
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Free iPhone Navigation Gets Fancier

After a solid seven figure investment by angel investors and fending off a lawsuit by former parent company Navigon, Skobbler releases an update to its popular and free turn-by-turn navigation system for the iPhone that incorporates a completely new user interface, full iOS4 compatibility, and significant stability improvements.

Coming into an established industry like the world of GPS Navigation companies and trying to make your mark is a difficult challenge, one that upstart Berlin development company Skobbler took on with a vengeance. With little initial funding and nothing but a good idea, Skobbler went out and rocked the navigation establishment by giving away the golden goose, a free turn by turn navigation application for the iPhone that rivals the core features of the $20+ apps already on the market.

After more than 350,000 downloads worldwide, a resounding win in a lawsuit against former parent company Navigon and a fresh round of venture investment, Skobbler has put its positive momentum to good use by further developing and significantly improving its free iPhone navigation app. As well as offering full compatibility with Apple’s iOS4 firmware, Skobbler 3.0 now delivers new levels of performance in a number of key areas.

Added to its features is an update to the user interface for the US market which includes a more intuitive format for the input of destinations. The Skobbler Navigation app has been upgraded to utilize the full set of iOS4 features including the ability to multi-task, allowing drivers to run other useful apps while driving running Skobbler in the background. For safety reasons, Skobbler recommends that multi-tasking is only used while the vehicle is stopped, or by passengers.


In addition to the Apple versions, Skobbler is set to release in the Android Marketplace within the month and is continueing to develop additional features into the Skobbler navigation app. Besides, skobbler will release several completely new geo-related apps during the upcoming weeks.

Supported Languages:
* US English, French, German, Italian and Spanish

Pricing and Availability:
Skobbler 3.0 is free and available worldwide exclusively through the App Store in the Navigation category.

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