Your Switch may be flagged if you ran a modified NSP. To fix, you must perform a system wipe or restore a clean NAND backup.
Unlike traditional DLC that adds a single zone, Asphalt 9 updates include: Asphalt 9 Legends Switch NSP -DLC Update- -eShop-
Would you like additional details on or reverse engineering aspects? Your Switch may be flagged if you ran a modified NSP
The Evolution of Asphalt 9: Legends on Nintendo Switch (later rebranded as Asphalt Legends Unite and eventually simply Asphalt Legends ) has carved out a unique space on the Nintendo Switch since its original eShop release on October 8, 2019 . Unlike its mobile counterparts, the Switch version was designed to bridge the gap between high-octane mobile racing and a dedicated console experience, offering exclusive features and tailored performance for the hybrid system. Technical Performance and "NSP" Delivery The Evolution of Asphalt 9: Legends on Nintendo
If you're specifically looking for NSP file downloads, be aware that downloading games or DLCs from unofficial sources can violate terms of service, potentially harm your device, or both. Always opt for official channels.