The migrate option isnt coming up on my Pokemon diamond game?

Question

I have completed both my emerald and diamond, but I do not have access to the migrate option and I do not know why. Someone please help

Comments

Yes, i have spoke to professor oak in the pal park.

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Is the cartridge held together by a tri-head screw? If no, then it's definitely fake. If yes, then it might be fake, and you need either a tri-head screwdriver or extreme pro level flat head screwdriving skills to open the cartridge. I don't know what you can do if you have neither of those.

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It could just not be inserted correctly

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The Emerald is inserted correctly if the Migiwara person can play the Emerald.

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It does have a tri head screw and I have not been able to get inside, however, from what I have seen, everything about it is legit, but I cant guarantee it unless I can get inside it.

Answer 1

In Diamond, Pearl, and Platinum, Pal Park does not open until the player has obtained the National Pokédex. Once they have it, Professor Oak will meet the player on Route 221 and invite the player inside the Pal Park building, where he briefly explains how the park works. Once the player has access to Pal Park, the "Migrate from " option will appear on the main menu screen when the game is loaded, provided a Generation III game is in the Nintendo DS's second slot.

source
If you've done all of this and still can't transfer, then the most likely explanation is that you used some kind of third-party tool, like a fake copy of a gen 3 game.
source

Comments

The problem is, I dont know if it is fake or not as I cannot get inside it. If I could then I could determine whether it is or not. However, if it does turn out to be a legit copy, what could the problem be?

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I don't know. You want me to put this question back on the unanswered list?

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This is my problem. If it is a fake, I'll accept your answer. If it isnt, I'm stuck. I just wish I could get into it. That will hopefully solve my problem

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Do you have a flat head screwdriver? Have you tried using it?

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It requires a tri head screwdriver which I do not have

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I've opened an Emerald cartridge with a flat head. Are you sure you can't do that?

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That's right. The head required is tiny and requires it to be tri head screwdriver. Plus I've already tried using a flat head screwdriver and it fails each time