In this series of posts i will guide you to cook you own firmware step by step. After all this is over you will have a custom software running on your device. For my Nokia 5230 i am running a custom firmware with Rompatcher installed in Z drive (Rom drive), custom startup and shutdown images, animation tones etc.
Here are some videos of my 5230.
Watch my upcoming posts for how to do it step by step. 🙂