Basic Tutorial
- Mvix Ultio – http://www.yazzy.org/docs/ultio/ultio-developing.txt
Advanced Tutorials
- Broadband Router KT DW02-412H – https://manatails.net/blog/2018/01/kt-%EB%AC%B4%EC%84%A0-%EA%B3%B5%EC%9C%A0%EA%B8%B0-%EC%BB%A4%EC%8A%A4%ED%85%80-%ED%8E%8C%EC%9B%A8%EC%96%B4-%EA%B0%9C%EB%B0%9C%EA%B8%B0/
- Huawei HG533 – http://jcjc-dev.com/2016/04/08/reversing-huawei-router-1-find-uart/
- WR841N Router – http://konukoii.com/blog/2018/02/13/lifting-firmware-with-the-bus-pirate/
File-system / image
- Squashfs – http://squashfs.sourceforge.net/
- YAFFS – http://www.yaffs.net/
Tools
- Firmware Analysis Toolkit – https://github.com/attify/firmware-analysis-toolkit
- Firmware Mod Kit – https://github.com/rampageX/firmware-mod-kit