Are you using a or Custom Firmware (CFW) ? Do you need help with DLC or Update files ? expansion)?
Use the .3DS format. The Sky3DS+ (orange button) handles newer titles much better than the original blue button version. Fantasy Life 3DS ROM (EUR/USA) (Gateway/Sky3DS )
Use the .3DS format. Ensure your emuNAND is updated to support the latest firmware requirements. Are you using a or Custom Firmware (CFW)