SysNand won't unban you. The local friend seed however will. Not that you would need one if you don't plan on using your internet connection ever again.

 

No

 

I will use my internet connection with 40 MB/s speed after the ban wave ends, and for your information i have already unbanned through copying the hex data from movable.sed to friend code seed b and deleteing all my connection on the 3ds with the wirless switch turned off! Thank you and please follow this guide here (https://gbatemp.net/threads/i-found-a-workaround-for-the-recent-eshop-ban-wave-d.471959/)

 

https://gbatemp.net/threads/all-3-methods-to-get-unbanned-from-recent-ban-wave.450679/ Use at your own risk (I am a daring player so i followed the method 2 and did not brick at all!)