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nRF Connect SDK (Part 3)

Implement secure OTA device firmware updates over Bluetooth LE with MCUBoot

4 modules|55 min|Intermediate

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Details

4 modules · 13 lessons

55 min

Intermediate

Course Description

Part 3 of the nRF Connect SDK series covers OTA DFU implementation, including secure bootloaders, MCUBoot, custom signing keys, and firmware versioning with downgrade prevention. Builds on Parts 1 and 2.

What You'll Learn

Understand the core concepts covered in this course

Apply the knowledge gained through hands-on examples

Build confidence in the subject matter for real-world projects

Prerequisites

No prior experience needed

Curriculum

Course Curriculum

4 modules · 13 lessons

1Introduction

1OTA DFU in NCS
2Supported Bootloaders
3Introduction to MCUBoot
4OTA DFU over BLE

1Adding MCUBoot as immutable bootloader
2Adding MCUBoot as immutable and upgradeable bootloader
3Using a custom signature key using Imgtool
4Adding support for OTA DFU over BLE
5Versioning and preventing downgrades in MCUBoot
6Walkthroughs Overview
7Important Notes: MCUBoot configuration + Bootloader Partitioning

1Appendix (Source Code and Slides)

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