How to Restore Unsigned IPSW on iPhone Downgrade iOS with SHSH Blobs (Step-by-Step)
Автор: TenorshareOfficial
Загружено: 2026-03-09
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This video explains how to restore unsigned IPSW files and downgrade an iPhone to an older iOS version. Many users may wish to downgrade after updating to newer versions like iOS 26, but find that Apple no longer signs older firmware, preventing a normal downgrade. The video details the limitations of installing unsigned IPSW files and introduces safer alternatives, strongly recommending users use ReiBoot to downgrade iOS and restore their device while protecting their data.
⏱ TIMESTAMP
0:00 intro
0:29 What is IPSW
1:23 Recommended to Use Reiboot
2:08 Using ReiBoot to Downgrade iPhone
💡 How to Restore Unsigned IPSW on iPhone Downgrade iOS with SHSH Blobs (Step-by-Step)
Section 1: Understanding Unsigned IPSW and Apple Signing Restrictions
Apple only allows installation of iOS versions that are currently signed. When Apple stops signing older firmware, users cannot normally downgrade to those versions using IPSW files.
Section 2: Limitations of Traditional Downgrade Tools
Tools such as FutureRestore, Airsquared, and DelayOTA were previously used to downgrade iOS, but these methods can be unstable, risky for devices, and are no longer reliable in many cases.
Section 3: Using ReiBoot to Downgrade iOS Safely
ReiBoot provides a safer way to upgrade or downgrade iOS versions that are available for installation. It supports downloading compatible firmware and completing the downgrade without complicated technical steps.
Section 4: Backup, Downgrade, and Restore Data
Before starting the downgrade, users should back up their iPhone data to the computer. After downloading the firmware and completing the downgrade, the data can be restored to return the device to its previous state without losing photos, apps, or other important files.
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#tenorshare #ipws #downgrade #ios26 #ios18 #reiboot
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