Pokémon Ultra Sun Update 1.2 was released on February 6, 2018, primarily as a stability patch to fix several game-breaking glitches. This update is mandatory for accessing all online features. Key Patch Notes (v1.2)
Battle Freeze Fixes: Resolved a critical glitch where the moves Curse, Forest's Curse, Power Trick, and String Shot could cause the game to freeze during Live Competitions.
Competition Eligibility: Following this patch, the aforementioned moves were unbanned for the Video Game Championships (VGC).
Online Requirement: You must have v1.2 installed to use Battle Spot or other internet-based functionalities.
Storage Size: The update requires approximately 539 blocks (roughly 67 MB) of space on your SD card. Installation Methods
While the official Nintendo eShop is the standard method, users with modified systems often use CIA files for updates: How to Update Pokémon Ultra Sun and Pokémon Ultra Moon pokemon ultra sun update 12 3ds world cia hot
Pokémon Ultra Sun 1.2 Update: Essential Patch for 3DS Trainers
Attention, Alolan Trainers! If you're still exploring the Ultra Wormholes or battling in the Battle Tree, keeping your game current is critical. The Version 1.2 update for Pokémon Ultra Sun and Ultra Moon
remains a vital download for anyone using original hardware or specialized .cia formats. Why You Need Version 1.2
While this update doesn't add new islands, it fixes game-breaking bugs that could halt your progress during competitive play.
Move Glitch Fixes: It addresses a significant bug where using moves like Curse, Forest’s Curse, Power Trick, and String Shot could cause the game to freeze during Live Competitions and QR Code events. Pokémon Ultra Sun Update 1
Ion Deluge: A specific bug where the move Ion Deluge failed to function correctly has been resolved.
Online Access: This patch is required for all online functionality, including the Global Trade System (GTS) and Wonder Trades.
Battle Videos: Unlike many previous updates, Version 1.2 is minor enough that it does not break existing battle videos saved on your device. Update Details
Note on availability: As of late 2024, many direct download links from "3DS World" are dead due to copyright crackdowns. However, the name persists in search queries as a sign of quality. When modern users search for "3ds world," they are effectively looking for a style of release: verified, clean, and with community feedback.
Prerequisites: You must have custom firmware (CFW) – specifically Luma3DS + boot9strap – installed on your 3DS. This guide assumes you have a legitimate copy of the base game. Why 3DS World became legendary:
Step 1: Locate the correct file.
Search for Pokemon Ultra Sun Update v1.2 (USA).cia. Ensure the file size is accurate (~150MB). Look for mentions of "Rev 1" or "Revision 1."
Step 2: Transfer to SD card.
Copy the .cia file to a folder on your SD card called /cias/ or simply the root directory.
Step 3: Install using FBI.
Step 4: Verify.
Troubleshooting: If the game crashes on launch, you likely have a region mismatch. A Japanese update .cia (JPN) will not work on a USA base game. You need the correct region.
Note: Only install updates for games you legally own. This guide is for educational purposes.
Update v1.2.cia from a trusted archival source (verify SHA hash).