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A USA game ( CTR-P-A2AA ) requires a USA update patch.
To understand the gravity of the v1.2 update, one must analyze the specific glitch it corrected. In the unpatched version of Pokémon Ultra Sun , the move "Sonic Boom"—a move that traditionally deals a fixed 20 points of damage—was erroneously programmed to deal significantly higher damage, often resulting in a one-hit knockout. This error persisted regardless of the player's level or the opposing Pokémon's defense stats. In a series predicated on balance and strategy, such a discrepancy renders the single-player narrative trivial and undermines the fairness of competitive play. The v1.2 patch corrected the damage calculation algorithm, restoring "Sonic Boom" to its intended fixed-damage state. This correction ensured that the game’s difficulty curve remained intact and that battle mechanics adhered to the established rules of the franchise.
The installation takes roughly 30–60 seconds. Once complete, a new icon will not appear on your home screen. Instead, the base game’s icon will now read "Ver. 1.2" in the bottom corner. pokemon ultra sun update 12 3ds world cia
Playing games online with modified files or improper headers can result in Nintendo banning your console from network services.
: If the game still asks for an update after you have installed version 1.2, it may be due to an incorrect version number in the base game's dump or a regional mismatch. A USA game ( CTR-P-A2AA ) requires a USA update patch
Restores the legality of the fixed moves so they can be safely used in local tournament setups.
In v1.0, during the climactic battle against Giovanni in Team Rocket’s Castle, the background music would occasionally desync, causing a screeching noise. v1.2 patches the audio sequencing. This error persisted regardless of the player's level
No, the update is designed to improve the game, not to reset your progress. 4. Can I use the eShop instead of a CIA file?
This update is mandatory for all online features, including trading and battling. Installation Guide (CIA Method)
Pokémon Ultra Sun and Ultra Moon Version 1.2 update was released on February 6, 2018, primarily to fix game-breaking bugs that affected competitive play. Nintendo Support Key Bug Fixes in Update 1.2
This typically points to data corruption on the SD card or insufficient system storage. Ensure your SD card has at least 67 MB (539 blocks) of free space specifically for the patch, separate from the 3.6 GB required for the base game.