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Switch 2 firmware update bricks some MicroSD Express cards, making games inaccessible

PNY 1TB MicroSD Express card shown with Switch 2
ⓘ PNY with edits
PNY 1TB MicroSD Express card shown with Switch 2
Many Nintendo supporters rely on MicroSD Express cards to build Switch 2 game libraries. A recent firmware update has caused the console to stop recognizing the expandable storage. Most reports focus on the 1TB PNY card, but other gamers mention problems with competing brands.

Fans have celebrated the latest Switch 2 update for introducing boost mode to last-gen titles. Unfortunately, some gamers are now facing a sudden storage crisis. There are numerous Reddit posts describing how the console no longer recognizes certain MicroSD Express cards. As a result, installed games won’t load, leaving the handheld’s 256GB internal drive as the only option.

What went wrong with the Switch 2 update?

Gamers began noticing issues after the Switch 2 firmware 22.0.0 went live on March 16th. Many reports involve the 1TB MicroSD Express card from PNY. According to Redditor Whaleambassador, the console says that the expandable storage is incompatible.

The accessory still has some functionality, since the console reads it as a standard MicroSD card. However, the gamer can only transfer screenshots and videos from the original handheld. The newer system requires the pricier MicroSD Express format for storing games.

After removing any dust from the card, Whaleambassador contacted Nintendo support. The company didn’t offer immediate assistance, prompting the gamer to turn to the PNY help desk. It hasn’t encountered the same problem with the 1TB model and requested an RMA for further testing.

Several other posters chimed in on the Reddit thread, revealing that their MicroSD Express cards malfunctioned after the update. While most complaints revolve around PNY cards, the 1TB alternative from Integral Gamer's Edge X could also be affected.

MicroSD Express cards are Switch 2 essentials

One potential solution is using Windows for reformatting. Sadly, that would wipe out Switch 2 game installs as large as the 90GB+ Final Fantasy 7 Remake Intergrade. Game-Key Cards not only tax internet connections, but can also force buyers to supplement the handheld’s storage. The only positive is that saves are written to the internal drive.

While most have lengthy warranties, larger 1TB MicroSD Express cards can cost upwards of $200. With NAND Flash prices impacted by the memory shortage, these addons are unlikely to become more affordable. Hopefully, either Nintendo or PNY can discover why the new Switch 2 firmware caused these issues.

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> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > News > News Archive > Newsarchive 2026 03 > Switch 2 firmware update bricks some MicroSD Express cards, making games inaccessible
Adam Corsetti, 2026-03-18 (Update: 2026-03-18)