Firmware Updates for Embedded Systems¶

Key design decisions for robust OTA firmware updates.

This English edition keeps the original illustrations and reproducible command or configuration examples.

Commands and configuration¶

This note is primarily conceptual; apply the principles to the kernel, distribution, and board support package in use.

Practical notes¶

Test each change on a recoverable target, keep logs from the boot or failure path, and record the exact kernel and userspace versions used in the result.