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Arduino & IoT Academy · Lesson

Roll Back a Bad Update

Recover safely when an upload goes wrong.

Updates Can Go Wrong

Even careful OTA pushes sometimes ship broken code. A solid plan needs a way to roll back to firmware that actually worked.

The Brick Risk

If new firmware can't connect to WiFi, you lose OTA itself. Without a safety net the device becomes a useless brick.

All lessons in this course

  1. Why OTA Matters in the Field
  2. Enable ArduinoOTA
  3. Host a Web Update Page
  4. Roll Back a Bad Update
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