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Deleted-236924
Guest
Couldn't find a lot of relevant info on this particular error code, so I'll leave my findings here just in case it could help someone who finds this through Google in the future.
Context: I re-formatted earlier today, reinstalled all my games, and not long after decided to connect my 2DS to Wi-Fi and get a friend code. I was shown a 002-0121 error, "This device's access to online services has been restricted by Nintendo."
I realized shortly after that I forgot unitinfo patch enabled, so I disabled it and tried connecting again, but I only got 002-0121 again. eShop gave the same error code.
This is not the error code for bans (that's 002-0102), and that's especially not normal for eShop. My friendcode seed was not banned either, I could confirm this by using it on another system.
It didn't make a lot of sense why I would be getting that error code, considering that 1: unitinfo patch was off, and 2: the only other way this would have happened, is if my friendcode seed file was invalid.
Turns out that's not true, there's another reason for it. I don't know the details, because I rushed things and did a system format instead of trying to figure out exactly which system savegame was the culprit, but I assume that because my first connection to the internet was made while unitinfo patch was on, it may have led to incorrect data being written to friends module system savegame. In any case, clearing all system data by formatting resolved the issue.
So if you're like me, end up with 002-0121 error, unitinfo patch is off, and you know that you've never tampered with your friendcode seed files, you should be able to solve this problem by formatting (try deleting just the friends module savegame in GM9 first, I haven't actually checked if this was the culprit because I ended up doing a system format first, but if this can save you the trouble of losing all your other system data then it's worth a try.)
Context: I re-formatted earlier today, reinstalled all my games, and not long after decided to connect my 2DS to Wi-Fi and get a friend code. I was shown a 002-0121 error, "This device's access to online services has been restricted by Nintendo."
I realized shortly after that I forgot unitinfo patch enabled, so I disabled it and tried connecting again, but I only got 002-0121 again. eShop gave the same error code.
This is not the error code for bans (that's 002-0102), and that's especially not normal for eShop. My friendcode seed was not banned either, I could confirm this by using it on another system.
It didn't make a lot of sense why I would be getting that error code, considering that 1: unitinfo patch was off, and 2: the only other way this would have happened, is if my friendcode seed file was invalid.
Turns out that's not true, there's another reason for it. I don't know the details, because I rushed things and did a system format instead of trying to figure out exactly which system savegame was the culprit, but I assume that because my first connection to the internet was made while unitinfo patch was on, it may have led to incorrect data being written to friends module system savegame. In any case, clearing all system data by formatting resolved the issue.
So if you're like me, end up with 002-0121 error, unitinfo patch is off, and you know that you've never tampered with your friendcode seed files, you should be able to solve this problem by formatting (try deleting just the friends module savegame in GM9 first, I haven't actually checked if this was the culprit because I ended up doing a system format first, but if this can save you the trouble of losing all your other system data then it's worth a try.)
