Flame Cheats

Enter a chat room in PictoChat on the date that you entered as your birthday in the system settings. The message “Happy Birthday! Today is (your names) birthday!” will appear. Also on your birthday, when you turn on the DS you will hear a different sound.
Nintendo DS Soft Resets

Platform: Nintendo DS

At any point playing the respective games (DS or GBA) hit the button combination below to return to the Title Screen.
Code – Result:
A+B+Start+Select – Soft Reset for Game Boy Advance games
L+R+Start+Select – Soft Reset for Nintendo DS games
Tricks when Auto Mode is enabled

Platform: Nintendo DS

With Automatic Play mode enabled, you can hold START while turning on the system to go back to the main menu. If you have both a Gameboy Advance game pak and a Nintendo DS Cartridge in your system, holding B while turning on the system will skip the Health and Safety warnings and go straight to booting up the Gameboy Advance game in your system.