no. you need an action replay
The National Pokedex is given to you once the Elite Four is defeated.
You can get in the Pal Park once you obtain the National Pokedex, but before you can get the national pokedex , you have to complete the shinnoh 150 Pokemon
beat the elite four once
weedle
You go to Prof. Rowan's lab once you've seen all the Pokemon and then theirs a cut scene where Prof. Oak comes and gives you the national pokedex, but only once you filled up the shinnoh pokedex first.
start again
Once you get the national pokedex you can walk there
it opens once you get the national pokedex
You can't. You have to get NationalDex and then talk to Bebe. She will give you a free eevee, though I think it only works once
Once you finish the pokedex of your region you go to the professor's lab and talk to him he will award you the national pokedex and the poke radar
once you got national pokedex it will automatic unlock
No, but once you complete hoenn dex, the professor will give you one of the 2nd gen starters for free!(totadile chickorita and cindaquil