Can't connect to wifi on 3DS?

Miss Manday

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Hi guys! So I have a 3DS that used to connect to my wifi just fine... but lately I can't get it to at all. I get the 003-1102 error (sometimes it's 003-1101, etc.) but they all appear to be the same issue on the Nintendo Support Error Code page. However, NOTHING I do helps. I've had a tech out here to switch out my router out, I've tried the 8.8.8.8/8.8.4.4 DNS code, I've tried cycling the box... nothing. The DS LOOKS to have good internet up in the top left corner with full bars, but the connection test always fails.

If anyone could help me out with this, I would greatly appreciate it! I'd love to get this working again.
 
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Update: tried to get on the internet at my grandmother's house, where her connection doesn't have an encyption key/isn't locked. It worked perfectly. But I KNOW I am entering my home encyption right... any thoughts?
 
Pffst why are you aksing that! XD

Sames happening to me. :( Though I still don't know the answer.However,I've been hearing something about Smart Fire Wall doing some mean stuff...
 
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