If anyone wants this, I'm posting here
View attachment 14797
1. Extract and decrypt the rom file.
2. Download the attachment with the custom banner.bin you see in the screenshot above.
3. Move these files into a new folder to keep things tidy
-custom banner.bin
-icon.bin
-code.bin
-the generated rsf file
-decrypted exheader.bin
-decrypted romfs.bin
4. Now all you have to do is rebuild the rom. For that I used this:
https://gbatemp.net/threads/tool-makerom-gui.376540/
Note: I realize this
tutorial is pretty bad. If needed I will go in depth with a proper
tutorial.
If you need any help or run into problems, please let me know and I'll try my best to help