Update Ktag Clone From 225 To 270 Repack Direct

The update of a KTAG clone from KSuite version 2.25 to 2.70 is primarily a software-based enhancement that unlocks new ECU protocols and improves overall device stability

• Success: Reads without "Unknown Silicon ID" errors.
• Warning: If you get "Error 100: Security access denied," your clone may need a specific "Seed/Key" patch. Apply the secondary patch file.

8. Rollback strategy

• If post-upgrade issues are severe, restore the 225 firmware from the backup:

  openocd -f interface/stlink-v2.cfg -f target/stm32f4x.cfg \
    -c "flash erase_sector 0 0 255" \
    -c "flash write_bank 0 ktag_270_patched.bin 0x08000000" \
    -c "flash write_bank 0 ktag_225_spi.bin 0x90000000"   # Keep old SPI data