Patched - Jade Phi P47 01 Removing All
i2c_write -d 0x50 -a 0x0000 -l 0x2000 -v 0xFF Although power cycling usually clears DRAM, some patches use battery-backed RAM (BBR). Force-clear BBR:
setenv shadow_flash 0 saveenv For mission-critical environments where "removing all patched" must be absolute, consider these professional techniques: 7.1. Chip-off Reprogramming Physically desolder the SPI flash and EEPROM, read them externally, manually zero every non-boot sector, then resolder. This is the only 100% guaranteed method but requires rework skills. 7.2. Fuse Blowing for Permanence On P47 01 models with OTP (one-time programmable) fuses, you can blow the "patch enable" fuse after cleaning. This permanently disables the patch engine, ensuring no future patches can be applied or resurrected. 7.3. Forensic Patch Audit Before removal, run: jade phi p47 01 removing all patched
jade-phi audit --export patches.json to document exactly what patches existed. This helps in legal or compliance scenarios. Q: Will removing all patches delete my application logic? A: Yes. Any user programs, ladder logic, or custom scripts stored in the user partition are considered patches if they differ from factory. Back them up separately beforehand. i2c_write -d 0x50 -a 0x0000 -l 0x2000 -v
loadfile factory_golden_p47_01_rev3.bin 0x20000 verify Do not skip verification. Any mismatch means a partially patched sector remains. Reset the device and halt again at the bootloader stage (within first 50ms). Compare bootloader hash: This is the only 100% guaranteed method but