MRXos Firmware

Keep your MRX robots up to date with the latest firmware releases

Before updating: Ensure your robot is fully charged and connected via USB. Do not disconnect during the update process. Updates typically take 3-5 minutes.

Platform Firmware Downloads

Select your platform to download the latest MRXos firmware (v2.5.1)

PLY v2.5.1

MRX PLY Brain

Pre-K robotics controller firmware

Jan 28, 2026 12.4 MB
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KID v2.5.1

MRX KID Brain

Elementary robotics controller firmware

Jan 28, 2026 15.8 MB
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CODE v2.5.1

MRX CODE Brain

Middle school coding controller firmware

Jan 28, 2026 18.2 MB
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MID v2.5.1

MRX MID Brain

Middle school robotics controller firmware

Jan 28, 2026 22.6 MB
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PRO v2.5.1

MRX PRO Brain

High school robotics controller firmware

Jan 28, 2026 28.4 MB
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MAX v2.5.1

MRX MAX Brain

Competition robotics controller firmware

Jan 28, 2026 32.1 MB
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WORK v2.5.1

MRX WORK Brain

University/Industrial controller firmware

Jan 28, 2026 45.8 MB
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AIR v2.5.1

MRX AIR Flight Controller

Drone/aerial robotics controller firmware

Jan 28, 2026 38.5 MB
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MRXos v2.5.1 Release Notes

Released January 28, 2026

New Features

  • Enhanced Bluetooth 5.2 connectivity with improved range and stability
  • New autonomous navigation algorithms for smoother path following
  • Support for MRXcode Studio 4.2 integration features
  • Added real-time sensor data streaming via WebSocket API
  • New power management mode extends battery life by up to 25%

Improvements

  • Motor control precision improved with updated PID algorithms
  • Faster boot time (reduced from 8s to 4s)
  • Improved gyroscope calibration for better orientation accuracy
  • Updated USB communication protocol for faster program uploads
  • Enhanced error logging for easier debugging

Bug Fixes

  • Fixed intermittent connection drops during wireless programming
  • Resolved sensor port detection issue on cold boot
  • Fixed memory leak in long-running autonomous programs
  • Corrected encoder count drift at high motor speeds
  • Fixed display flickering issue on MRX PRO and MAX controllers

Security Updates

  • Updated firmware signing verification for enhanced security
  • Improved Bluetooth pairing security protocols
  • Added secure boot verification on startup

Previous Versions

v2.5.0 Dec 15, 2025 Download
v2.4.3 Nov 2, 2025 Download
v2.4.2 Sep 18, 2025 Download
v2.4.1 Aug 5, 2025 Download

How to Update Firmware

1

Download

Download the firmware file for your specific MRX platform from above.

2

Connect

Connect your robot brain to your computer using the included USB cable.

3

Open MRX Studio

Launch MRX Studio and go to Settings > Firmware Update.

4

Install

Select the downloaded firmware file and click "Update". Wait for completion.