If the process above will not work and you simply can’t get TinyUmbrella to work, it may be time to consider another alternative. Fix iPhone Stuck Issues with TinyUmbrella Alternative. Use Tinyumbrella to start TSS server and make sure to have iTunes 11.0.5 installed. Step 12: Open TinyUmbrella again and it should run without any problems. tks Downgrade to iOS 7 for the first time!
Never bothered to update to iOS 6 but now fancying iOS 7. The new version allows you to fetch SHSH blobs from the device, which means that it will allow you to fetch. Im currently running jailbroken 5.1.1 on my iPhone 4.
The bootrom requires that iTunes modify the images located inside the IPSW file and add a special signature to each one of the images in the IPSW which. The iPhone 3GS has a special bootrom that checks the firmware that iTunes uses to restore the device. this is a tethered downgrade, what it means ? if you need boot your iphone, ipad, or ipod you will need Redsn0w jailbreak boot tethered to boot the device. A new version of TinyUmbrella has been released. Tiny Umbrella is a free Mac utility that allows you to restore the firmware in iPhone 3GSs. TinyUmbrella allows you to take backups of SHSH blobs (ECID SHSH) that can be used to downgrade to older iOS versions even after Apple stops signing the iOS.
the good thing on this is you can downgrade your iPhone 4 to any iOS 7 version with or without shsh blobs. notcom a.k.a semaphore has released a new version of TinyUmbrella (5.11.01) to add support for the revised iOS 5.1.1 (9B208), that was quietly released for GSM iPhone 4 users yesterday. NET framework 4.5 or higher needs to be installed too. Step 2 Download SHSH from Cydia before running TinyUmbrella. Before you downgrade iOS with TinyUmbrella, you should back up iPhone data with iTunes or other tools. In order to restore an IPSW that has been patched by Sund0wn you need to be in pwned DFU and iTunes must be 11.0.5 needs to be installed. Step 1 Download the latest TinyUmbrella on your computer. Sund0wn is a program that allows you to downgrade your iPhone 4 to any version of iOS 7 by patching an ipsw file.
A new software was released still not work in recent devices but can be very useful for icloud bypass iphone 4 locked in ios 7.1.2 this new software can downgrade any ios7 to any ios 7, or 6 version.