However, caveats exist. Installing the wrong region’s update CIA (e.g., EUR update on a USA base game) will cause a black screen on launch. Additionally, because the 3DS’s title database does not expect manual CIAs, a “soft” update prompt may still appear on the home menu if the system detects a mismatched version signature—though this is cosmetic.
If you install the update but the version number doesn't change:
If the 1.2 update is not working or the game crashes after installation, it is usually due to one of three common issues in the custom firmware community:
: Launch the game and select "Update" when prompted to download it directly from Nintendo's servers. This is the most stable method and ensures the correct internal versioning. Alternative (CIA Method) : If using an update CIA from a source like , ensure you install it the base game. Troubleshooting Crashes pokemon ultra sun update 12 3ds world cia work
Ensure you did not install a USA update on a EUR game.
: These moves were briefly banned from official Play! Pokémon tournaments until this patch was released.
It represents the community's effort to preserve the full functionality of a beloved title. By following this guide, you ensure that your adventure through Alola is as complete and error-free as possible, even years after the sun last set on the 3DS's official servers. However, caveats exist
Many users experience errors like , momiji , or Prefetch abort when installing the base game or its update. The following process will help you achieve a successful and stable installation.
: Navigate to SD -> cias , select your update file, and choose Install and Delete CIA .
If you follow this guide, you will be catching Ultra Beasts, trading shinies on the GTS, and transferring your childhood Pokémon into Pokémon Home via Bank before the end of the afternoon. Happy hunting, trainer. If you install the update but the version
Official Nintendo Network services for the 3DS have been discontinued as of April 2024. While you can still install this update to fix game bugs or for use with Pokémon Bank locally, you will no longer be able to perform the download directly through the official Nintendo eShop.
Below is a comprehensive guide on why this update is necessary and how to ensure the 1.2 update works correctly on your 3DS. Why You Need Pokémon Ultra Sun Update 1.2 (CIA)
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