Pokemon Ultra Sun Update 1.2 Jun 2026
Depending on how you play Pokémon Ultra Sun , the installation method for the update data varies. On Original Nintendo 3DS Hardware Turn on your Nintendo 3DS and connect to the internet.
The update was titled "The Mysterious Isle of Pokeeos." Apparently, a strange island had appeared on the horizon, and Professor Kukui had announced that it was now accessible via a special boat from the harbor. The update promised new adventures, Pokémon, and items.
In this article, we'll dive into the details of the Pokémon Ultra Sun update 1.2, what it entails, and what you need to know to ensure you're getting the most out of your Pokémon Ultra Sun experience.
Acquire the official via your own decrypted 3DS system dump. Open your emulator interface. Click on File in the top menu bar. Select Install CIA... from the drop-down menu.
Unless you are a dedicated speedrunner or RNG manipulator, install Update 1.2 . The stability and online compatibility far outweigh the loss of a few glitches. After all, the true spirit of Alola is about fair battles and new discoveries—not walking through walls. pokemon ultra sun update 1.2
Officially, Nintendo and The Pokémon Company released a terse set of patch notes. However, the community quickly discovered dozens of undocumented changes. Here is the authoritative list:
Released in late April 2018, Version 1.2 wasn't just a routine bug fixer. It was a tactical update that altered online functionality, tied directly into competitive battling events, and quietly changed how players interacted with the Nintendo 3DS servers. This article dives deep into every aspect of the 1.2 update, why it mattered then, and what it means for players revisiting the game today.
Let the download finish, close the eShop, and launch your game. You will see "Ver. 1.2" displayed on the lower-right corner of the game's title screen.
A glitch involving the move Ion Deluge was patched. Prior to version 1.2, if a Pokémon used Ion Deluge, it could cause targeted moves to malfunction or behave unpredictably under specific conditions. The patch stabilized the move's interaction with the battle engine. 3. Move Learning and Evolution Glitch Depending on how you play Pokémon Ultra Sun
Prior to version 1.2, if a Pokémon used Plasma Fists or Ion Deluge to turn Normal-type moves into Electric-type moves, and a Pokémon on the field held a Target-Absorbing Item (like a Cell Battery), the game engine would experience a fatal script error.
If your game displays an older version, exit to the 3DS Home Menu, open the Nintendo eShop, and search for "Ultra Sun Update." Download the free update data to patch your game automatically. Note that wireless local multiplayer requires both systems to run the exact same version.
introduced a pseudo-random seed that changes with every system boot, making this exploit functionally impossible. This forced shiny breeders back to traditional methods.
Note: The update requires approximately 330 blocks (roughly 41 MB) of free space on your SD card. The update promised new adventures, Pokémon, and items
To participate in ranked battles, Global Missions, or any online functionalities in the Festival Plaza, you must have this update installed. How to Update Pokémon Ultra Sun to 1.2 Downloading the update is straightforward. Method 1: Automatic Prompt
You cannot participate in Link Battles or use the Festival Plaza for online matches with players who have updated their games.
: Once installed, the version number "1.2" will appear on the lower-right corner of the game’s title screen.
