This comes from here.
You must have your phone in File Transfer Mode. It will not work in Phone Mode.
- Create a \Resource\Fonts folder in your M2 card
- Copy the Tahooma.ttf from Windows\Fonts (you may use other font if you like. I find this one very readable on M600i the screen. Verdana did not work for me).
- Make 4 copies of the file(s), and name them:
The restart your Phone. You will notice the fonts have changed in all the displays.