Iboy Ramdisk Ecid Register

(Exclusive Chip ID) is a unique 64-bit identifier for every iOS device (similar to a serial number but hardware-specific).

: Registration supports various versions, including iOS 14, 15, and 16. iboy ramdisk ecid register

| Generation | ECID protection | |------------|----------------| | A5–A11 (pre‑SEP) | ECID checked only in iBoot; bypassable via bootrom patches. | | A12–A14 | SEP enforces ECID binding for cryptex / ramdisk; rollback protection. | | A15+ (M1/M2/M3) | ECID fused into SEP’s secure keychain; ramdisk now signed + encrypted with device‑unique key derived from ECID + GID. | (Exclusive Chip ID) is a unique 64-bit identifier

When a tool like iBoy says it is "accessing" or "registering" the ECID, it means one of two things: | | A12–A14 | SEP enforces ECID binding

Use the tool to read your device's ECID while in Recovery or DFU mode.