How to Start Querying for SHSH File on Apple Server

authorPic

By Jenefey Aaron

2025-04-24 / Fix iPhone

Rate now!

Querying for SHSH file on Apple server is the first step to saving SHSH blobs, which are essential for downgrading or restoring your iPhone to unsigned iOS versions. Whether you're facing errors like "Unable to Request SHSH" on 3uTools or planning to downgrade from iOS 18, understanding this process is key.

In this guide, we’ll show you how to successfully query and download SHSH blobs, troubleshoot common issues, and explore alternatives so you can take full control of your device’s iOS version.

Part 1: What Are SHSH Blobs?

SHSH blobs are a vital part of Apple's digital signature system. These are unique cryptographic signatures created by Apple, specifically tied to your iPhone, iPad, or iPod touch and a particular iOS version.

When you update or restore your device, Apple checks SHSH blobs to confirm if the iOS version is still signed. Without them, installs will fail. Saving SHSH blobs lets you downgrade to older iOS versions even after Apple stops signing them, using tools like 3uTools or FutureRestore.

Part 2: Why You Might Need to Query SHSH from Apple Servers

Querying SHSH blobs from Apple servers is an important step if you plan to downgrade or restore your iOS device using older firmware versions. Without these blobs, bypassing Apple’s signing restrictions becomes nearly impossible.

This is important when you want to:

  • Downgrade iOS: Move back to an older iOS version if you're unhappy with the current one.
  • Upgrade to an unsigned version: Install a newer version that’s not the latest, but still compatible.
  • Save SHSH blobs: These are like tickets needed to restore iOS in the future.
  • Check signing status: Confirm if Apple allows installing a certain firmware version on your device.

These factors often lead to the “Unable to Get SHSH Blobs for This Device” error in 3uTools. Understanding SHSH blobs is the first step to fixing this. By saving valid blobs during Apple’s signing window, you gain the ability to downgrade iOS 18, 17, or 16 even after support ends. With the right tools, you can restore your device outside Apple’s limits and maintain control over your firmware.

Part 3: How to Get SHSH Blobs by Querying Apple’s Server

SHSH blobs are essential if you want to downgrade your iPhone to an older iOS version. However, you can only save them while Apple is still signing the firmware. Once the signing window closes, you won’t be able to generate SHSH blobs for that version.

To get SHSH blobs, you can either use Blobsaver or look for an iOS 18 SHSH blobs download APK. But one of the easiest methods is using an online tool like TSS Saver, which doesn’t require a computer.

Here’s how to get SHSH blobs by querying Apple’s server using TSS Saver:

Step 1: Connect your iPhone to your computer. Open iTunes, select your device, and click on the Serial Number until you see the ECID. Copy the ECID.

Step 2: Open your browser and go to the TSS Saver website.

Step 3: Paste the ECID you copied. Select your device model from the drop-down menu.

tss saver

Step 4: Click on the “Submit” button. TSS Saver will now query Apple’s servers and save SHSH blobs for the iOS versions that are still signed.

Step 5: After processing, a download link will be provided. Click the link to save your SHSH blobs on your computer or cloud storage.

tips icon
Tips:

For older devices (like iPhone 4), SHSH blobs can still be backed up even if Apple has stopped signing that firmware version.

Part 4: Best Way to Downgrade iOS Without SHSH Blobs (Install Unsigned IPSW Without SHSH)

If you don’t have SHSH blobs but still want to downgrade your iPhone, Tenorshare ReiBoot is the best tool to do it. This powerful iOS system recovery software lets you install unsigned IPSW files without needing SHSH. It also helps fix iOS issues like boot loops, recovery mode, and Apple logo stuck. Whether you're facing iOS 18 problems or want to go back to iOS 17, ReiBoot makes the process safe, easy, and fast—no jailbreak or iTunes needed.

Key Features of Tenorshare ReiBoot:

  • Downgrade iOS without SHSH blobs
  • No jailbreak or iTunes required
  • Fix iPhone stuck in recovery, boot loop, or Apple logo
  • Supports iOS 18 downgrade to iOS 17
  • Retains data during Standard Repair
  • Compatible with iPhones, iPads, and iPods

Steps to Install Unsigned IPSW Without SHSH:

  • Download and install Tenorshare ReiBoot on your computer. Launch the software and connect your iPhone using a USB cable. On the main screen, click Upgrade/Downgrade iOS.
    restore unsigned ipsw
  • Then select Downgrade and proceed.
    downgrade ios without blobs
  • Choose the firmware version you want and click Download to get the IPSW file.
    download firmware
  • Once the firmware is downloaded, click Initiate Downgrade to begin the process.
    unsigned ipsw
  • Wait for the downgrade to complete. Your device will reboot automatically with the downgraded iOS version.
    downgrade ios unsigned

FAQ About Querying for SHSH File on Apple Server

Q1: How to fix 3uTools 9% error “Unable to request SHSH latest”?

This error usually means that Apple has stopped signing the firmware you're trying to download SHSH for. To fix it:

  • Make sure your internet connection is stable
  • Try another SHSH-saving tool like TSS Saver
  • Switch to a tool like ReiBoot if 3uTools keeps failing

Q2: Can 3uTools flash unsigned IPSW?

Yes, but with limitations. In 3uTools:

  • Go to Flash & JB
  • Choose Import Firmware
  • Select your unsigned IPSW file
  • Click Flash, then confirm through the warning prompts

Q3: Can I restore an iPhone with unsigned IPSW?

Restoring unsigned IPSW is tricky. Technically, it’s possible if you have saved SHSH blobs for that version. But even then, the process is complex, not always successful, and prone to errors. If you don’t have SHSH blobs, consider using tools like Tenorshare ReiBoot to downgrade without them.

Final Words:

Querying for SHSH file on Apple server is crucial if you want to downgrade or restore your iPhone using unsigned IPSW files. However, this process can be tricky, especially when Apple stops signing older iOS versions. If you’re facing errors like “unable to request SHSH” in 3uTools or don’t have saved blobs, we highly recommend using Tenorshare ReiBoot.

It lets you downgrade iOS without SHSH blobs, fix common iOS issues, and even install unsigned firmware safely. Whether you're a beginner or tech-savvy user, ReiBoot makes downgrading and system repair simple and secure.

Speak Your Mind

Registrer/ Login

then write your review

Speak Your Mind

Leave a Comment

Create your review for Tenorshare articles

Related articles

All topics

Tenorshare ReiBoot

ReiBoot - No.1 Free iOS System Repair Software

Fix 150+ iOS Issues without Data Loss & Safely Upgrade/Downgrade

ReiBoot: No.1 iOS Repair Tool

Fix 150+ iOS Issues, No Data Loss