Shsh: Host

Click the button to request and save. The site will fetch the digital signatures from Apple and store them on their servers for you.

You can find this in iTunes or Finder by clicking on your device serial number.

To understand shsh.host, one must first understand the concept of "signing." Apple uses a proprietary signature system ( TSS ) to verify firmware upgrades. When a user restores their device, the device requests a signature from Apple.

While the Cydia server was a popular public host, you can also set up your own private SHSH host on your local computer using tools like . This gives you complete control, as you're not reliant on a third-party server.

A classic, web-based portal. By simply typing your ECID and selecting your specific Apple Device Model Identifier via the web browser, the system pings Apple's TSS backend, pulls down all valid signatures, and provides a permanent download URL folder where your files are perpetually stored. shsh host

While shsh.host is a leader, it's not the only service. A notable alternative is ( tsssaver.1conan.com ). In fact, many users save their blobs on both services for redundancy. The general consensus in the community is that both are reliable, but shsh.host is often praised for its cleaner interface and more robust support for modern devices and generators. The popular desktop tool Blobsaver even offers one-click uploads to both shsh.host and TSS Saver simultaneously, making it easy to maintain multiple backups. When it comes to your digital keys, having a backup is always a smart idea.

Apple only "signs" (allows) the latest version of iOS.

Before using the site, you need exact details about your device:

Here’s a practical, step-by-step guide to leveraging an SHSH host to downgrade your iPhone. Click the button to request and save

: Connect your iPhone/iPad via USB and ensure it is unlocked. : Open Blobsaver and click "Read from device" to auto-fill your device information. : (For A12+ devices) Click "Read from device"

Blobsaver is an open-source, cross-platform graphical desktop application (Windows, macOS, and Linux). It allows users to read both the APNonce and ECID directly from connected devices (both jailbroken and stock unjailbroken units). It features one-click configurations to back up your firmware signatures natively to cloud infrastructures like and TSS Saver automatically in the background. 2. TSS Saver (by 1Conan)

Here are a few possibilities:

Have questions about setting up your own SHSH host? Drop a comment below, or join our Discord server for real-time downgrade support. To understand shsh

: Because of the hosts file modification, this request is intercepted and sent to the SHSH host server instead of Apple. The custom server searches its database for your device's ECID and the requested firmware version.

And that's it! You have now successfully saved your SHSH blobs. You are free to update your device to the latest iOS without worry, knowing that you have preserved the keys to potentially downgrade in the future.

Here's how it worked: You would add a line to your hosts file redirecting gs.apple.com (Apple's signing server) to Saurik's server IP address. Then, when iTunes tried to verify a restore with Apple, it would be tricked into contacting Saurik's server instead. If you had previously saved your SHSH blob there, the server would provide it, and the restore would succeed even though Apple was no longer signing that version. in iTunes was the infamous sign that Apple had denied the request, often because the hosts file trick wasn't set up correctly.