For US players who purchased the Deluxe Edition or the individual DLC packs via the eShop (or those playing an NSP backup of the same version), 1.4 ensures that content doesn’t remain locked behind invisible walls.
Yes, save files from earlier versions are fully compatible with version 1.4.0. No data loss has been reported.
For the Nintendo Switch, the base game requires firmware version 13.0.0 and occupies approximately 14.8 GB as an NSP/XCI file.
: The data for Gundam Aerial is embedded in this update; purchasing the eShop license key unlocks the unit immediately. Next Steps for Players
Use your newly optimized hitboxes to lock down agile enemy mobile suits.
: Ensures that guest players in multiplayer sessions correctly trigger expansion part effects like "Perfect Guard Skill Meter Recovery".
Disclaimer: Modifying your console may violate Nintendo’s Terms of Service. The following is for educational purposes regarding file structures.
This was one of the most anticipated DLC drops. It introduced two scenario missions ("Rebirth by Destruction" and "Flash of Fate"), the final EX Mission Extreme 5 , and three new playable Mobile Suits :
Critically, the Switch version has been optimized to provide a surprisingly smooth experience for a handheld console. While the PlayStation 5 version targets 4K/60fps and even the PS4 runs at 1080p/30fps, the Nintendo Switch version prioritizes stable performance for the chibi battles, making it a perfect "pick up and play" title. Reviews noted that while the combat can be repetitive for some, the sheer fan service and multiplayer co-op (available for up to three players) make it an absolute joy to play on the go.
Ensure your system software is updated before applying individual game updates. This prevents file signature checks from stalling the launch loop. Utilize Save Data Backups
Update 1.40 SD Gundam Battle Alliance released in , primarily serves as the foundation for the "Mobile Suit Gundam: The Witch from Mercury Pack" DLC. While it introduces highly anticipated content from the Witch from Mercury
Update 1.40 addressed several technical issues that affected high-level play, particularly concerning and specific unit behaviors:
The quiet star of 1.4 is the rework of (Skills that trigger when your suit’s parts are damaged). Previously, these were a death sentence in EX Hard Mode. Now:
Reviews have been generally positive. Players praised the beautiful graphics, the impressive roster of MS, and the addictive gameplay loop. However, some criticized the difficulty spikes, bullet‑sponge enemies, and the need for more forgiving parry/defense mechanics. Despite these minor flaws, the game is considered a “massive celebration of many years of Gundam lore.”