Update 1.2 rewrote how the game handled autosave triggers in the Plaza’s network lobby. Post-1.2, the game creates a temp backup before finalizing trades, eliminating the corruption risk. If you are picking up Ultra Sun today, —the unpatched version is a time bomb for your save file. 3. Pokémon Bank and Transporter Compatibility One of the most frustrating aspects of Ultra Sun/Moon at launch was the rocky integration with Pokémon Bank (the cloud storage service). Update 1.2 delivered a major overhaul to the communication protocol between the 3DS cartridge/sd card and the Bank servers.
Don’t risk the save corruption. Don’t accept the broken Bank transfers. And certainly don’t miss out on the chance to battle with Zeraora. pokemon ultra sun update 1.2
It transformed Ultra Sun from a slightly buggy, online-fragile game into a rock-solid farewell to an era. Whether you are a shiny hunter relying on the GTS, a VGC veteran revisiting 2018 rulesets, or a new player discovering Alola for the first time on a used 3DS, Update 1
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. For the uninitiated, software updates for 3DS titles often carry one of two purposes: stability or content. Update 1.2 falls into a hybrid category. While it did not add new story chapters, new Ultra Beasts, or a new Battle Tree mode, it provided critical infrastructure changes. Don’t risk the save corruption
Before 1.2, a specific sequence of events — involving saving inside the Festival Plaza while simultaneously receiving a trade request and a Wonder Trade — could corrupt the save file, forcing players to delete their entire progress. This was rare but devastating.
When Pokémon Ultra Sun and Ultra Moon launched in November 2017, they were hailed as definitive versions of the Alola region. However, like any major RPG, Game Freak continued to support the titles with post-launch patches. Among these, Pokémon Ultra Sun Update 1.2 stands out as the most significant.