![]() ![]() Use the former if your iPhone device uses a sim card or the latter if your iDevice does not support a sim card.ĭrag the final of the unsigned iOS firmware you’re restoring to into Terminal. Open Terminal (for Mac) or Command Line (for Windows).ĭrag the unzipped FutureRestore file into Terminal and type -t.ĭrag the Blob file into the Terminal interface and type either -latest-sep -latest-baseband or -latest-no-baseband. Put an unarchived FutureRestore file, the unsigned iOS firmware, and the Blob file in one folder on your Windows or Mac Computer. ![]() If you used TSS saver to save the Blobs while the iOS version is still being signed, download it from the Retrieve section of TSS Saver.įutureRestore, a restore tool designed for Apple. The SHSH Blobs file of the destination iOS firmware. Download it from the official Apple firmware download page. Unsigned iOS firmware you want to restore. The prerequisite is that you must have saved the Blobs file for the iOS firmware you want to restore while it was still signed by Apple. Here is the step-by-step guide of downgrading to unsigned iOS IPSW with SHSH Blobs file. However, even if you downgrade by unofficial restore method, you still need the SHSH Blobs. To restore to an unsigned iOS version, it can only be done unofficially, such as using a third-party tool like FutureRestore. In short, you cannot restore an unsigned version of iOS with iTunes. If one of the firmware is no longer signed, meaning Apple has removed its signature, then the downgrade process will fail. When you use iTunes to switch between two iOS versions, Apple will use iTunes to find the SHSH Blobs to determine if you are downgrading to a signed iOS firmware. It's not possible to downgrade to an unsigned iOS version without an SHSH Blobs. When an iOS user tries to restore their device, one of the functions of SHSH Blobs is to assist Apple to determine whether a signed IPSW firmware file is being used. SHSH Blobs is a part of Apple's digital signature system, which is a piece of code and embedded in each iOS firmware for each iOS device. Part 4: How to Install Unsigned IPSW without SHSH Blobs? Part 3: How to Install Unsigned IPSW with SHSH Blobs? Part 2: Can I Downgrade to Unsigned iOS without SHSH Blobs? Mac Studio (2022 and later), iMac (2019 and later), Mac Pro (2019 and later), Mac mini (2018 and later), MacBook Air (2018 and later), MacBook Pro (2018 and later), and iMac Pro (2017)Īpple Watch Series 3, Series 4, Series 5, Series 6, Series 7, and SEWanna downgrade to unsigned iOS? How to get SHSH blobs if not saved? Does it possible to restore unsigned IPSW without SHSH blobs? Your search ends here! This complete guide will tell you all the answers! Scroll down to read it! ![]() IPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)Īpple Watch Series 9 and Apple Watch Ultra 2 IPhone 8 and later, iPad Pro (all models), iPad Air 3rd generation and later, iPad 5th generation and later, and iPad mini 5th generation and later MacBook Pro (2021 and later) and iMac (2023) IPhone XS and later, iPad Pro 12.9-inch 2nd generation and later, iPad Pro 10.5-inch, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 6th generation and later, and iPad mini 5th generation and later IPhone 8, iPhone 8 Plus, iPhone X, iPad 5th generation, iPad Pro 9.7-inch, and iPad Pro 12.9-inch 1st generation This update has no published CVE entries. ![]()
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