Once you have the UDID, the actual registration process is performed entirely in the Apple Developer Portal. You must have an (Individual or Organization) to do this.
To truly "register" your ECID for future use, you must save your while Apple is still "signing" the current iOS version. Once Apple stops signing a version, you cannot save blobs for it. Step-by-Step: Saving Blobs (Using TSS Saver) Find your ECID using the methods above. Visit an online blob saver, such as the TSS Saver website. Enter your device type (e.g., iPhone 15 Pro, iPhone 16).
Enter your (ensure you choose whether it is Hex or Decimal). Click "Submit" to save your blobs to their server. Summary of ECID and Device Security
The ECID can be displayed in two formats: Hexadecimal (containing letters and numbers) or Decimal (only numbers). Most registration platforms accept both, but Hexadecimal is the standard. If your tool requires a specific format, you can use online converters to switch between them. Step 2: Where to Register Your ECID register ecid iphone new
– When you want to install an app you have developed onto a physical iPhone for testing, you must register the device’s UDID in your Apple Developer account. The UDID is derived from the ECID (plus other hardware data).
Click on the text that displays your iPhone's . The display will change to show your UDID . Click again, and it will display your ECID . Method 2: Using iTunes (Windows) Connect your iPhone to your PC and open iTunes . Click the device icon.
The ECID is part of Apple's strict firmware signing process. By storing the ECID within the chip, Apple ensures that even if someone creates a malicious version of iOS, they cannot install it on your device because the (which contains the ECID) will not match. Once you have the UDID, the actual registration
Connect your iPhone to your computer using a lightning or USB-C cable.
Use a trusted tool like TSS Saver to save blobs.
Before you can register it with any tool, you must retrieve the code from your device. Connect your iPhone to your PC and open iTunes . Click on the device icon and navigate to the Summary tab. Once Apple stops signing a version, you cannot
On A15+ chips (iPhone 13 and newer), downgrading is currently impossible due to Cryptex1 and SPTM protections, even with registered ECID. Always check the latest jailbreak status for your specific iPhone model.
Once the device is registered, it can be included in . This allows you to:
Right-click (or secondary-click) on the ECID number and select . Method 2: Using Apple Configurator (Mac Only)
| If you want to… | …you actually need to… | …and you must have… | |----------------|------------------------|----------------------| | | Register the device’s UDID in the Apple Developer Portal. | An active Apple Developer membership. | | Save downgrade options for jailbreak | Save SHSH blobs using your device’s ECID . | A tool like TSS Saver; no developer account required. | | Bypass Activation Lock | Contact Apple Support – you cannot “register” the ECID yourself. | Proof of purchase. |