Things You'll Need
Instructions
Insert the Action Replay code device into the Nintendo DS, and then insert the "Pokemon SoulSilver" game. Turn the Nintendo DS on.
Select "Pokemon SoulSilver" from the list of games. Select "New Code." Name the code something descriptive, such as "Celebi Code."
Enter "94000130 fcff0000" in the first line, "62111880 00000000" in the second line, "b2111880 00000000" in the third line and "e000f710 00000088" in the fourth line.
Type "685c0014 462a0000" in the fifth line and "4e640300 3dcd98aa" in the sixth. In the seventh and eighth lines, enter "e5015248 2c45a57e" and "ebadfb57 a259f359."
Enter "97ee7d12 50622e14" and "9db56c71 f1fc5532" in the ninth and tenth lines. Type "3a497c7d 6e52011a" and then "c66c9b7a 9b76815d" in the eleventh and twelfth lines.
Enter "373d2d40 8c545892," "b553198b 0b0d2667," "e2073d3f f46b6618" and "f83dc582 70e5862b" in the next four lines. In the last six lines, input "b095da94 89df3f1b," "c8beec3c 00f02aa2," "5ef4424d 2dba035f," "60a585df df5d19b2," "08d64730 334c5371" and "d2000000 00000000." Save the code.
Start playing the game. Go to a Pokemon Center and press "A" while facing the computer in the room. Go to "Withdraw Pokemon." Box One opens. Celebi is inside the box.