A: Yes. The World update uses the same Title ID as USA. They are cross-compatible. However, a "World" update will not work with a Japanese or Korean base game.
A: In Nintendo 3DS/ID0/ID1/title/0004000E/000B9600/ (for World edition). Do not delete this folder manually; use FBI. Conclusion: Is the 1.2 Update Still Worth It in 2026? Absolutely. Even though the 3DS eShop is closed and official online play is dead, the Pokemon Ultra Moon update 1.2 World CIA remains a vital patch for preservationists, emulation users, and local wireless battlers. pokemon ultra moon update 12 3ds world cia
After updating to 1.2, use PKSM (a homebrew save manager) to inject the event-exclusive Dusk Lycanroc or Shiny Poipole —content that was time-locked but is now unlockable via CFW. A: Yes