Nintendo DSi system software
| Screenshot of the Nintendo DSi's Home Menu. The top display shows photos taken using Nintendo DSi Camera, the bottom display shows apps and games on the system as selectable icons. | |
| Developer | Nintendo Nintendo SDD | 
|---|---|
| OS family | Nintendo proprietary | 
| Working state | Discontinued | 
| Source model | Closed source | 
| Initial release | 1.1 / November 1, 2008 | 
| Latest release | 1.4.5 / December 11, 2012 | 
| Available in | 
 | 
| Update method | Direct download Nintendo Game Card | 
| Platforms | Nintendo DSi (XL) | 
| Preceded by | Nintendo DS firmware | 
| Succeeded by | Nintendo 3DS system software | 
| Official website | https://en-americas-support.nintendo.com/app/answers/detail/a_id/4514 | 
| Support status | |
| Unsupported | |
The Nintendo DSi system software is a discontinued set of updatable firmware versions and operating system for the Nintendo DSi handheld video game console and its XL variant). Updates, which are downloaded via the system's Internet connection, allow Nintendo to add and remove features and software.