Is the n73 incapable of displaying chinese characters? I'm an english speaking person but I'm just interested in making the phone show chinese because I have a couple of chinese songs and it's really annoying when the songs just show up as boxes for the characters.

If you have a Chinese language firmware, it will include fonts that can show Chinese characters.

A device without Chinese language support built-in, will not include the required font files to display Chinese language text, as you have discovered.

Uh okay so can I add Chinese support? My SE didn't have Chinese language firmware but they still added the ability to display Chinese characters.