Nintendo has been quiet about a sequel, but dataminers found strings inside the v1.2.1 NSP referencing:
🔒 No direct links per rules – search for “Mario Kart Live Home Circuit v1.1.0 NSP” on your favorite source Mario Kart Live- Home Circuit Switch NSP UPDATE
Open your preferred homebrew installer (e.g., DBI). Select the update file and choose Install . Nintendo has been quiet about a sequel, but
Fix: This is rarely an NSP issue and usually a firmware desync on the physical toy. Turn the physical kart off and on again, then hold the pairing button on the kart to re-sync it via the QR code displayed on your updated Switch screen. Conclusion Turn the physical kart off and on again,
If you are using a Switch (e.g., Atmosphere) and have obtained an [NSP] or [NSZ] update file from unofficial sources:
Look for a file named similarly to: Mario Kart Live Home Circuit [01002D600A73A000][UPD][v196608][NSP].nsp
For players utilizing the NSP file format via custom firmware on Nintendo Switch, keeping the game updated is critical. These updates deliver vital compatibility fixes, performance improvements, and digital content expansions. What is an NSP File?