# Ota Update

> Over-the-air software update system design and implementation

- Skill: `a5c-ai/ota-update` (Agent Skill)
- Install (CLI): `npx skillmds@latest add a5c-ai/ota-update`
- Raw SKILL.md: https://api.skillmd.com/api/skills/a5c-ai/ota-update/raw
- Safety review: pending (external: skill-scanner PASS, skillspector CAUTION)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: a5c-ai (https://skillmd.com/u/a5c-ai)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/a5c-ai/ota-update

---


# OTA Update Skill

## Purpose
Enable over-the-air software update system design and implementation for secure and reliable vehicle software management.

## Capabilities
- SOTA/FOTA architecture design
- Delta update generation
- Update orchestration logic
- Rollback mechanism implementation
- Vehicle state management during update
- Update campaign management
- Multi-ECU update sequencing
- Secure download implementation

## Usage Guidelines
- Design OTA architecture for security and reliability
- Implement delta updates for bandwidth efficiency
- Ensure robust rollback for failed updates
- Manage vehicle state during update process
- Sequence multi-ECU updates correctly
- Document update procedures and safety considerations

## Dependencies
- Uptane framework
- AWS IoT
- Azure IoT
- OEM backend systems

## Process Integration
- ASD-004: Over-the-Air (OTA) Update Implementation
- SAF-004: Cybersecurity Engineering (ISO/SAE 21434)
- ASD-001: AUTOSAR Architecture Implementation

