YSMenu instructions (2014-2020):
  1. download R4i-SDHC YSMenu
  1. extract R4i-SDHC YSMenu to SD
  1. download `R4.dat` from `/YSMenu/DEMON_common` and replace the one extracted to SD

Christmas Edition, Upgrade V1.4 instructions:
  1. download relevant kernel
  1. download R4-Clone YSMenu
  1. extract kernel to SD
  1. extract R4-Clone YSmenu to SD
  1. boot cartridge, then run YSMenu.nds

Silver RTS Lite instructions:
  1. download DSTTi-Clone YSMenu
  1. extract DSTTi-Clone YSmenu to SD
  1. rename YSMenu.nds to r4.dat
  1. ONLY FOLLOW THIS ON THE ORIGINAL SILVER RTS LITE. RUNNING THIS ON SILVER RTS LITE **NEW** OR ANY WITH YEAR NUMBER WILL DESTROY THE CART!