Run the FutureRestore command, pointing the tool to your saved blob, the current signed SEP/Baseband files (usually fetched automatically by the tool), and the target unsigned IPSW.
– Some older versions allowed restoring with unsigned firmware using kloader or pwned DFU, but support is limited to older devices (iPhone 4s, 5, etc.) and iOS versions.
However, there are specific community-driven "pieces" of software and methods used by advanced users:
User-friendly menu interface; incredible support for vintage iPhones. unsigned ipsw restore tool free
Futurerestore is a free, open-source command-line tool. It allows users to upgrade or downgrade to unsigned iOS versions by using previously saved SHSH2 blobs.
It uses your previously saved SHSH2 blobs to spoof Apple's signing server during a local restore.
To use this method for free, you must have saved your SHSH2 blobs using tools like TSS Saver or blobsaver while the iOS version was still active. Phase 1: Preparation Run the FutureRestore command, pointing the tool to
For specific older devices or technical users, the following tools are the most recognized: Downgrade and dualboot status of almost all iOS devices
This guide provides a comprehensive overview of the best free tools and methods to achieve this, though success is heavily reliant on device compatibility and prior preparation.
Windows users need a macOS virtual machine or dual boot. But the tool is 100% free. Futurerestore is a free, open-source command-line tool
: iTunes/Finder requests a unique signature from Apple servers during a restore.
However, the jailbreak and customization community has developed several tools to bypass this restriction. This article explores the best available, explaining how to use them safely to downgrade your iPhone or iPad. What is an Unsigned IPSW?
is a tool specifically designed to downgrade to unsigned iOS versions without requiring the target version's APTicket. It works by pawning the device to remove signature checks.
Limited. FutureRestore works on Windows but requires saved blobs. For checkm8-based restores, Windows support is poor – use a Linux live USB or macOS VM.
A powerful command-line tool that can restore firmware files to iOS devices.