The only way to catch Deoxys is by going to a Nintendo Event (which already passed), or get Deoxys from a friend who is willing to trade one via Wi-Fi or via Wireless connection.
No you can't catch deoxys by using cheats
No, you can't catch Deoxys on Pokemon Diamond & Pearl unless you have cheats. You can transfer it from your GBA to Pokemon Diamond and Pearl though
You can't.
you can you genius well go on youtube and look up cheats for deoxys
No you cant that's for cheats and cheat codes No you cant that's for cheats and cheat codes
you do need cheats
just trade from someone else
You can't without cheats.
tradefrompearl
cheats
its impossible without cheats
transfer from emerald