TSS Saver is the most popular and reliable automated tool for saving iOS blobs.
Method 1: Using Finder or Apple Devices App (macOS & Windows)
If you are trying to register for a specific bypass tool or developer profile, let me know the or your goal (like downgrading iOS) so I can give you the exact steps! register ecid iphone new
Modern iPhones (iPhone XS and newer) utilize a security feature called . This means that simply saving a blob with an ECID is sometimes not enough; the blob must match a specific "APNonce" generated by your phone's processor. Advanced users utilize tools like blobsaver or TSSChecker on a computer to read the device's specific APNonce generator while the phone is in Recovery Mode, ensuring the saved blobs are actually valid for future downgrades. The Signing Window
Depending on your goal, registration happens in different places: TSS Saver is the most popular and reliable
Paste the exact extracted string into the input bar.
After submitting your ECID, it is critical to verify that the files are generating correctly: This means that simply saving a blob with
(created by u/1Conan on Reddit) is the gold standard for modern blob saving. It requires no software installation—just a web browser.
: Sharing your ECID with untrustworthy sites is generally considered low-risk compared to sharing an IMEI or Serial Number, but it is still advised to keep it private unless using a reputable tool.