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4 Best Practices for IoT OTA Updates

Every embedded device needs device firmware update (DFU) capability. Why?

Inevitably, you are bound to ship bugs. You can’t anticipate every user’s input, and you can’t anticipate all the ways in which end users will use your device. But that’s only half of it; devices are now increasingly complex. Even the best QA teams won’t be able to catch every issue. Consider NASA, which is no stranger to needed firmware updates for the Mars Rover, whether due to an unintended crash bug or a crash after a software update. No one disputes NASA’s extremely rigorous process and well-documented testing regimens but, even NASA relies on firmware updates.

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The Best Ways to Update IoT Devices Over-the-Air

As the Internet of Things (IoT) continues its march across the world, manufacturers have embraced new ways to remotely and reliably update devices in the field. Considering there are forecast to be more than 41 billion connected IoT devices by 2025, keeping them updated with the latest software and firmware is essential.

That’s where over-the-air (OTA) updates come in. OTA update refers to the practices of remotely updating the software or firmware of a connected IoT device. This saves IT staff time and effort as they can push updates to a fleet of devices at once.