How to change volume!

There is no hardware volume key! It's minor, inconsequential omissions like this that lets you buy a Dingoo for such craaaaaaaaaaaaaazy low prices!

If you nevertheless think you might like to adjust the sound from time to time, the volume adjustment is:

Start + Up or Down

Or hunt down the software volume control in each individual application, if you don't fancy the above.

Actually, the shortcut above doesn't work in the GBA emulator. In this emulator, you need to:

Press SELECT + START
-> Select "Misc. Settings"
-> Volume -> Adjust with keypad

Ahh well, remember how cheap it is. Remember how cheap it is.