Otp.bin Seeprom.bin ~upd~ (FHD 2025)

| Aspect | otp.bin | seeprom.bin | |--------|-----------|----------------| | Nature | Permanent, unique | Rewritable, often generic | | Risk of loss | Device brick / security loss | Easily restored | | Key contents | Keys, fuses, root hash | MAC, serial, calibration | | Typical size | 64–1024 bytes | 256–65536 bytes | | Backup priority | Critical (store offline) | Useful (store per device) |

is distinct from OTP. While OTP is static and unchangeable, SEEPROM is non-volatile memory that retains data when power is lost but can be electronically erased and rewritten. otp.bin seeprom.bin