CC Echo of Time Online help

I have attempted to play this game online with no luck. I have an R4Ultra w/1.54 software. Everytime I try to go online, it shows that I have full signal. (More bars in more places. lol) However, when searching for someone to play with, it seems I am the only one and nothing else can be found. Is there any idea to why this is happening?(edited for more specific details in R4 type and firmware)

What specific R4 is this?

I'm lost. What other types are there?

Numerous types. R4 is a common card that gets it's name used a lot. The fact that you are trying to use a 1.57 firmware means that you are using one of the Clones of the original R4.Check out www.linfoxdomain.com/nintendo/ds

I'll look but I would have sworn this was the real deal. Not sure though. My buddy shipped it in for me from Hong Kong.
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Nevermind. It's an R4 Ultra.

Are you able to play fine with other games?

I don't know any other games that are wi-fi. Tell me one and I'll try.