n3DS or o3DS?
SysNAND: If you have menuhax just delete it by
USING THE MENUHAX MANAGER! After you do that just install menuhax like you normally would, it auto detects your firmware version and
downloads the updated payload using the internet.
EmuNAND: If you have the new version of the yls8 HBLL (1.1 as of now) it will update your payload by connecting to the internet.
Alternatively, you can just download the payloads of Smea's github and put them on your SD.