1.Patch NitroHax.nds with a DLDI file if you need to.
2.Copy the NitroHax.nds file to your media device.
3.Place an Action Replay XML file on your media device.
4.Start NitroHax.nds from your media device.
5.One of the following will be loaded automatically if it is found (in order of preference):
"cheats.xml" in the current directory
"/NitroHax/cheats.xml"
"/data/NitroHax/cheats.xml"
"/cheats.xml"
6.If no file is found, browse for and select a file to open.
7.Remove your media device if you want to.
8.Remove any card that is in Slot-1.
9.Insert the DS game into Slot-1.
10.Choose the cheats you want to enable.
11.Some cheats are enabled by default and others may be always on. This is specified in the XML file.
The keys are:
A : Open a folder or toggle a cheat enabled
B : Go up a folder or exit the cheat menu if at the top level
X : Enable all cheats in current folder
Y : Disable all cheats in current folder
L : Move up half a screen
R : Move down half a screen
Up : Move up one line
Down : Move down one line
Start : Exit the cheat menu
12.When you are done, exit the cheat menu.
The game will then start with cheats running.
Your point is nr 7/8 right?