Is the boot.firm file on the root of your SD card? Also, don't worry, you didn't. If it was bricked, you wouldn't be able to do ANYTHING with it at all, you'd just be stuck on a blue screen.

the firm is in the root of sd, but it keeps crashing. im gonna look on the internet for more

Oh no... Could you tell me exactly what the error says, and what happens exactly, if possible?

i just clicked on nintendo ds connection settings in the internet settings and, boom, crashed. It also says "fault permission page" so maybe i should replace my boot.firm??? thats what they said on the internet

maybe get a new sd card or replace the files with a backup of your 3ds if you have one