Released on July 18, 2017, update 1.1.7 was technically "boring." Its only official purpose was to add compatibility for the Cloud, Corrin, and Bayonetta amiibo . Unlike previous major updates, it included: No character balance changes (meaning top tiers like Bayonetta remained untouched). No new DLC fighters A requirement for online play
Here is the concrete breakdown of what Update 1.1.7 actually contained for the 3DS version (EUR/US regions): Super Smash Bros- Update 1.1.7 DLC 3DS -EUR U...
If you still own a physical or digital copy of Super Smash Bros. for Nintendo 3DS and are not on 1.1.7, follow these steps: Released on July 18, 2017, update 1
If you own the physical cartridge and have ever connected to the eShop after 2016, you almost certainly have this update installed. Released on July 18