Looks like this is it. According to a tweet from SciresM, the latest 3DS firmware update 11.8 has ported the Nintendo Switch's piracy detection systems to the console. This strategy enables Nintendo to perfectly distinguish pirated and legit games going online and has been used before to detect and ban pirates on Switch. This is not something that can be avoided with homebrew. According to SciresM, Nintendo hasn't acted on 3DS pirates yet, but can choose to do so any time in the future.

Be careful, guys.

Looks like 11.8.0 backports the Switch's aauth ideas to 3ds -- network comms now send an encrypted(?) copy of app ticket to the server.

They may not act on it immediately, but like on Switch this lets N perfectly detect pirate accesses vs normal ones, and ban however they like.

— Michael (@SciresM) July 31, 2018

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[SirNapkin1334]

You can as long as it doesn't come back as a zero d.i.d like the unregistered cia .

How do I check d.i.d?

 

[Dr.doom]

How do I check d.i.d?

Buying it digital is the only way of having a valid cert so if its a dump it wont work

 

[SirNapkin1334]

Buying it digital .

Oh, well, it’s a gamecart...

 

[Eeveekid]

Well we can still unban on 3ds so...

Wait how?

 

[SirNapkin1334]

Wait how?

Swap out LocalFriendCodeSeed_B with a not banned one

 

[Eeveekid]

And whats that?
im still new to this-

 

[SirNapkin1334]

And whats that?
im still new to this-

LocalFriendCodeSeed_B contains data that verifies your console when you connect online. If you get banned, Nintendo blacklists your LFCS_B. However, using GodMode9 (a 3DS file browser), you can swap it out for another one that isn’t banned, unbanning your console.

 

[Eeveekid]

LocalFriendCodeSeed_B contains data that verifies your console when you connect online. If you get banned, Nintendo blacklists your LFCS_B. However, using GodMode9 (a 3DS file browser), you can swap it out for another one that isn’t banned, unbanning your console.

Where do i get those?
Do i just copy the one I have -that isnt banned yet- and replace it with the banned one?

 

[TotalInsanity4]

Where do i get those?
Do i just copy the one I have -that isnt banned yet- and replace it with the banned one?

Correct, you'd need a donor 3ds

 

[Eeveekid]

Correct, you'd need a donor 3ds

And where is the LocalFriendCodeSeed_B?

 

[gamemasteru03]

And where is the LocalFriendCodeSeed_B?

You don't need a doner. You can use a public one. Follow this to get unbanned https://gbatemp.net/threads/all-3-methods-to-get-unbanned-from-recent-ban-wave.450679/.

 

[TotalInsanity4]

You don't need a doner. You can use a public one. Follow this to get unbanned https://gbatemp.net/threads/all-3-methods-to-get-unbanned-from-recent-ban-wave.450679/.

I thought that method was a lot riskier??

 

[SirNapkin1334]

I thought that method was a lot riskier??

Not “riskier” but using a public seed means that if anyone else using it gets themselves banned, everyone using it gets banned, and you need to get a new one.

 

[leon8179]

Damn... I haven't reached top rank for the joker 3 professional yet.