Yesterday I wanted to listen to music with my 3ds when I noticed that the amplitude on the beginning screen was going up and down but it was totally quiet in the room.
So I checked out the recording of the microphone and it was full of very loud crackling noises but you can hear your voice a bit lower. The crackling sounds like a radio turned on but with no station tuned in.
Also the system setting's microphone test brought up a half filled up to a full filled bar when it was quiet.
I think it's time for warranty, isn't it?

 

Tested it on different locations everywhere the same, but this crackling doesn't exist a week ago

 

I will never get the idea to smash it against something and I have a special bag for it to protect it.
I think I have to take it for repairs and that the wires got messed up because it's like the wires haven't the full contact.
For games like "Heroes of Ruin" I will need the mic and in some games it can accidently cause doing some stupid things .
Maybe I blowed the wires away from contact, nyaa I was joking...

 

I thought that, too. But isn't it foolish to have a not fully working 3ds unit?

 

maybe you had the 3DS speakers too high?
lol, I'm sure it's nothing too serious

 

you probably didn't notice, but i'm betting liquid got in the mic hole. that crackling noise is EXACTLY the same symptom i get on my DSiXL, which for some stupid reason i spilled Sprite on. and carbonated drinks are VERY BAD for electronic contacts and are known to really cause damage. i'm just glad my DSiXL isn't dead, but mic pretty much is (even headset w/ mic get crackling noises). I'd send it to Nintendo but it's overseas and it's past warranty anyways. plus the damage wouldn't be covered so...

anyways, yeah, i think liquid got in on your mic. i dunno if Nintendo covers liquid damage, but if it is their techs will know, so don't expect a free replacement or free repair. they could bill you or something.

 

Yesterday I got my 3DS unit back and I got a complete new one.

 

Yes they did it...