At first you should download the latest WOODR4 kernel from www.r4ids.cn
Or you can get a R4i gold 3DS with a microSD card, the micro SD card contain the latest WOODR4 kernel.
1. Then you can enter the wood R4 and press ‘start’, choose “settings’
2. Then press ‘R’ thrice, and you can see the ‘Patches’, you need to choose the ‘cheat in game(AR)’—‘ON’, then press ‘A’ and save settings.
3. Before choosing a game just press ‘Y’ and enter the cheats settings.
4. After save settings, you can start the game and you will find the game has been successful cheating.