Hacking need some help with multiplayer ez flash v

[jelbos]

I got an ez flash v and a friend of my also.
we where trying to play mario party together but it didn't work.
super mario bros the minigames also didn't work.
bomberman worked though.

 

[jelbos]

I got the newest firmware running.

 

[jelbos]

i also tryd multyplayer mario bros from ez flash IV also doesnt work.
is it my ds or is it my friends ds with the problem?

 

[Psyfira]

If you're trying to use single cart download play then it's not you, some multiplayer games don't work on the EZ-V.
Sosuke Wiki: EZ-V multiplayer compatibility list

I don't know how it works with two carts running (one in each DS) trying to connect to each other though.