Tomb Raider: Legend cheats and cheat codes for Nintendo DS

Bulletproof Lara cheat:
While playing the game hold L then press X, Up, Y, B, Up, Right.
If the code is accepted, you will hear a sound.

Infinite ammo cheat:
While playing the game hold L then press A, Y, X, Up, A, B.
If the code is accepted, you will hear a sound.