Update v1.2, which requires approximately of storage space, addresses several technical issues:
To install the update on a physical 3DS, 2DS, or New 3DS console, you must have Luma3DS custom firmware and the FBI file manager installed. Step 1: File Preparation Power off your 3DS and remove the SD card. Insert the SD card into your computer.
Pokémon Ultra Moon was officially released in 2017. If you're interested in playing it, you can purchase it through the Nintendo eShop on the Nintendo 3DS or buy a physical copy from a retailer.
: For an update to work, the CIA of the update must strictly match the region of the base game (e.g., a USA update for a USA base game). Mixing regions often results in the system failing to apply the patch, even if both files are successfully installed on the device. Corrupted Data or Bad Dumps pokemon ultra moon update 12 cia work
: You need CFW installed on your 3DS to install CIA files. Popular CFWs include Luma3DS and ReiNX.
The CIA works flawlessly for 90% of what players need today—local play and save edits.
: Ensure your downloaded update file is explicitly formatted as a .cia file meant for the Update title category, not the base game. Update v1
If you installed the update CIA but the game still reads "v1.0" on the title screen, or it refuses to boot, the issue stems from one of three common roadblocks: 1. Region Mismatch (The Most Common Error)
If your system can still access the Nintendo eShop , you can download the update directly from the Home Menu. Homebrew CIA Method
For users with Custom Firmware (CFW) on their 3DS, managing updates via CIA files is a common practice. Here is how to ensure the v1.2 update works correctly: 1. Installation via FBI Pokémon Ultra Moon was officially released in 2017
Here is how to get the v1.2 update working correctly on your 3DS. Why the Update Often Fails
The game will not recognize the update data, and the console will continuously prompt you to update. 2. Leftover Corrupted Update Tickets