are brief, stating that "several issues have been addressed to improve the gameplay experience".
Updating to version 3.0.3 ensures several critical benefits:
Only the latest update (3.0.3) will allow you to access the latest online levels and features on specialized community servers.
If your download’s CRC32 does not match the above, do not install it. You have a corrupted or fake file.
Includes the SMB2 Mushroom, Frog Suit (SMB3), Power Balloon (SMW), and Super Acorn (NSMBU). New Enemies: Added the seven Koopalings and Mechakoopas.
Despite the lack of new content in 3.0.3, all features from the massive update remain the centerpiece of the game:
Once the application displays a "Success" message, you can safely delete the source NSP file to free up space on your MicroSD card. Troubleshooting Common Errors
I can help you with the specific installation steps if you'd like. How to Update Super Mario Maker 2 | Nintendo Support
