# Sanitized static dirty-room dossier

dossier_id = "DOS-6012-Firmware"
pid_hex = "0x6012"
operation_group = "Firmware"
command_id = ["U2EnterBootloader", "U2FirmwareChunk", "U2FirmwareCommit", "U2ExitBootloader"]
request_shape = "boot transition frames followed by chunked firmware transfer frames"
response_shape = "ack/status and completion indicators"
validator_rules = ["boot transition acknowledged", "chunk ack observed", "commit response accepted"]
retry_behavior = "firmware retries are bounded and guarded by unsafe flags"
failure_signatures = ["boot transition failure", "chunk ack mismatch", "commit timeout"]
evidence_source = "static"
confidence = "inferred"
requirement_ids = ["REQ-U2-002", "REQ-DR-001", "REQ-DR-002"]
class_family = "Ultimate2 firmware update dispatch"
notes = "Unsafe flow remains runtime-gated with dual acknowledgement"