Jade Phi P47 01 Removing All Patched May 2026

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.

| Patch Type | Storage Location | Persistence | Detection Method | |------------|------------------|-------------|------------------| | | SPI flash, offset 0x20000 | Across reboots | Checksum mismatch vs golden image | | In-memory hotpatch | DRAM (volatile) | Lost on power cycle | Runtime hook detection | | EEPROM config override | I2C EEPROM | Persistent | Compare with factory defaults | | Bootloader trampoline | Boot flash sector | Highly persistent | Boot-time signature check | jade phi p47 01 removing all patched

erase 0x20000 0x7E000 Erase the EEPROM configuration region (patches often reside here): jade-phi audit --export patches

jade-phi-verify --level full --report Expected result: PATCH_DETECT: NONE | INTEGRITY: PASS | FACTORY_MATCH: YES Even experienced engineers encounter issues when removing all patches from the Jade Phi P47 01. Here are the most frequent failure points: 6.1. The "Ghost Patch" Phenomenon Some patches inject code into a hidden NOR flash region not visible via standard JTAG addresses. Solution: Use the --force-unlock parameter in the Jade Phi flash tool to access bank B. 6.2. Persistent Configuration Checksum After erasing EEPROM, the device may refuse to boot because the configuration checksum fails. Remedy: During first boot, the factory bootloader will regenerate a default configuration. Wait 90 seconds—do not interrupt. 6.3. Recovered Patches After Reboot If patches reappear after a second reboot, you likely have a shadow copy in a redundant flash bank (common in military-spec P47 01 units). Disable shadowing via: A: Yes