The base game region does not match the update region.
Pokemon Alpha Sapphire. content in updates ➞ world. 2896 ID. 0004000E0011C500 Title ID. 33.40 MiB Size. 7.7.0 (7280) Version. CTR- Pokémon Ultra Sun and Ultra Moon Version 1.2 Patch
By eliminating these freezes, the update significantly improved stability during the game's most competitive and chaotic moments.
Understanding the Pokémon Ultra Sun Update 1.2 Region-Free CIA
Important notes
Resolved an issue where the move Ion Deluge was not functioning correctly.
: Highlight the Pokémon Ultra Sun Update 1.2 file, press A , and select Install and Delete CIA . (Deleting the installer saves valuable SD card space).