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Device OS Update: Easily Migrate Onto Our Supply Secure Products with the Release of Device OS 4

Starting today, users can begin porting their current application firmware to Device OS 4 on their existing Particle device, and accordingly plan their migration to our Supply Secure products.

The Particle Team article author avatarThe Particle TeamAugust 01, 2022

At the start of this year, we announced our Supply Secure portfolio to help our customers ship products through the extended silicon shortage crisis and navigate this unprecedented time with certainty and confidence.

Starting today, users can begin porting their current application firmware to Device OS 4 on their existing Particle device, and accordingly plan their migration to our Supply Secure products. The following devices are supported by Device OS 4:

  • Argon
  • B404 
  • B402 
  • BRN404 
  • BRN402 
  • T404
  • T524
  • T523 
  • ONE404
  • ONE524 

What is Device OS 4?

Device OS 4 is a continuation of our commitment to ensure consistent and reliable functionality, critical security updates, and bug fixes via Particle’s Long Term Support (LTS) firmware. LTS users migrating from Device OS 2 to Device OS 4 will have access to the following new functionality under Particle’s Long Term Support commitments:

  • Max function and variable payload sizes have increased from a maximum of 622 bytes to 1024 bytes (access GitHub link here)
  • Max user application binary size has doubled from 128KB to 256KB (access GitHub link here)
  • Resumable over-the-air updates
  • LTS firmware support for T SoM and Asset Tracker devices

For the best user experience, we recommend migrating with Particle Workbench. Any questions? Please contact our support team!

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