How to Register ECID on iPhone: A Complete Guide for New Devices
Look at the information panel. Your will be clearly listed alongside your serial number. Copy the alphanumeric string. Method 3: Using Third-Party Utilities (3uTools or iMazing)
TSS Saver is the most popular automated tool for saving blobs.
Copy the alphanumeric string listed next to the line item. Method 3: Using Device Manager (Windows) Place your iPhone into Recovery Mode or DFU Mode . Press Windows Key + X and click Device Manager . Expand the Universal Serial Bus controllers section.
📍 : To see your ECID without a cable, some apps on the App Store can display device metadata, though most require a computer connection for full hardware IDs. register ecid iphone new
Every iOS device has a unique 64-bit identifier embedded directly into its chip called the Exclusive Chip ID (ECID). Unlike a serial number or IMEI, Apple uses the ECID exclusively during the firmware signing process.
Select the correct format identifier ( or Dec ) based on how you copied it.
Registering your ECID only allows platforms to save blobs for iOS versions that Apple is . It cannot retroactively fetch blobs for older iOS versions that Apple has already closed off, even if your new phone shipped with that older software version. Always register your ECID the moment you unbox a new device to ensure you do not miss out on current signing windows.
For a completely hands-off approach, Xcode can handle the registration for you: How to Register ECID on iPhone: A Complete
A very common misconception is that an ECID must be “registered” with Apple by the end user. As one Apple Support Community expert clearly states:
-> You likely selected the "Hex" option for a "Decimal" code, or vice versa. Swap the identifier type on the website and submit again.
The first problem John faced was finding the ECID number itself. He searched online for instructions on how to locate it, but the guides seemed to be written for tech-savvy individuals, not average users like him. After several failed attempts, he finally managed to find the ECID number buried deep within his iPhone's settings.
This allows you to downgrade or restore to specific iOS versions. Use the TSS Saver website to submit your ECID. Method 3: Using Third-Party Utilities (3uTools or iMazing)
Such tools often rely on hardware vulnerabilities (e.g., checkm8) that are not available on newer devices with A11 or newer chips. Moreover, they are not endorsed by Apple and may void your warranty or cause stability issues. Use them only for legally owned devices and at your own risk.
Wait for a success prompt stating before trying to flash or process your iPhone hardware. Troubleshooting Common Registration Errors
"Registering" usually refers to one of these three technical needs: 1. Saving SHSH Blobs
Before you can register your ECID, you must extract it from your device. You can find your ECID using a computer via finder/iTunes or by using specialized third-party tools. Method A: Using iTunes or Finder (Windows & Mac)
Download and open from the Mac App Store. Plug your iPhone into your Mac. Click on your device icon within the application window.