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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > iPhone ,iPod & iPad (Apple Inc. Products) > iPhone 4 / iPhone 4S

iPhone 4 / iPhone 4S iPhone 4 / 4S

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Old 07-29-2011, 12:50   #1 (permalink)
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Question How To Downgrade Iphone 4 iOS 4.3.5/4.3.4 To the 4.3.3 Firmware without SHSH blobs?


How To Downgrade Iphone 4 iOS 4.3.5/4.3.4 To the 4.3.3 Firmware without SHSH blobs?

I have a Iphone 4 stucked in Recovery Mode on version 4.3.5 I want to downgrade to 4.3.3 for unthetered jailbreak but i dont have shsh blobs
is there any solution if not then


Tell me how to exit from recovery mode on IOS 4.3.5 while restoration always giving error 3194 and tiny with Umbrella EXIT RECOVERY also not doing job

PLZ HELP
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Old 07-29-2011, 12:56   #2 (permalink)
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100 % working

100 % working

use ireb for dfu mode
then just run tinyumberla and start tss
then restore custom fw(4.3.3) and (4.3.4) tested

maybe work 4.1 too..will test and post today!!! pls wait!!

But yor phone is 1000% thread

no any solution for unthread

Best of luck
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Old 07-29-2011, 15:00   #3 (permalink)
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without SHSH....imposible to downgrade.
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Old 07-29-2011, 15:06   #4 (permalink)
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I agree with you autodelete ill try 3 time without using shsh nothing hapend to my phone ...
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Old 07-29-2011, 15:32   #5 (permalink)
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you have to jailbreak it first for that go to How to Jailbreak iPhone 4 3GS 4.3.3 with redsn0w 0.9.6rc15 » Unlock iPhone
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Old 07-29-2011, 16:05   #6 (permalink)
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Question Bro I restored and jailbreak sucessfully but stuck in DFU mode????

Bro I restored and jailbreak sucessfully but stuck in DFU mode

what to do now
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Old 07-29-2011, 16:12   #7 (permalink)
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@nofear99,

No way to downgrade to 4.3.3 without SHSH blobs.

To restore iOS to 4.3.5 you have to:

1. Install the latest iTunes 10.4
2. Remove all lines from hosts file contains "apple.com"

zeezoo
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Old 07-29-2011, 17:39   #8 (permalink)
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Question Thank U for the sugestion But........

Quote:
Originally Posted by zeezoo View Post
@nofear99,

No way to downgrade to 4.3.3 without SHSH blobs.

To restore iOS to 4.3.5 you have to:

1. Install the latest iTunes 10.4
2. Remove all lines from hosts file contains "apple.com"

zeezoo
I succeeded to get back my iphone from DFU to recovery Mode after restoring 4.3.5 But

no success to exit from Recover even with tiny Umbrella 5.00.07

?????????????????????????????????????????????????? ???????????????
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Old 07-29-2011, 17:46   #9 (permalink)
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U cant not downgrade from 4.3.5 to 4.3.3 there is no way without saving ur SHSH blobs!!
this only works for iPhone 3GS only!!
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Old 07-29-2011, 19:09   #10 (permalink)
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Question Save SHSH on 4.3.3 with no SHSH Blobs?

I have an iPhone I need to wipe and restore then re-jailbreak it's on 4.3.3 now but I have no SHSH blobs saved and apple is not signing them. Is there any way to do a restore and stay at 4.3.3? I've been told to use ifaith but I don't see any instructions how to use it and it prompts for a ipsw file.
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Old 07-29-2011, 19:25   #11 (permalink)
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Ur out of luck bro... 4.2.1/4.3.3/4.3.4/4.3.5 are signed firmware
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Old 07-29-2011, 22:02   #12 (permalink)
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Actually I'm not... I just successfully did it using ifaith (windows only)
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Old 07-29-2011, 22:12   #13 (permalink)
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so end of the day, can we unlock iphone 3g and 3gs already upgraded to 4.3.5.
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Old 07-30-2011, 00:39   #14 (permalink)
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unlock? No! Unlock is not the same as Jailbreak and what I was trying to do was restore an existing phone already at 4.3.3 without having a SHSH Blob backup on cydia server because apple does not authenticate old firmware... must take current. But with ifaith I was able to create my own SHSH Blob and a custom IPSW from DFU mode I could successfully restore the device.
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Old 07-30-2011, 00:47   #15 (permalink)
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u can unlock only in 4.3.3 and below!
Quote:
Originally Posted by sniper007 View Post
so end of the day, can we unlock iphone 3g and 3gs already upgraded to 4.3.5.
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