List of dumped NANDs from the Nintendo DSi

Retail NANDs:

System Version	Dumped?	Notes
v1.4.6C		Version only released in China, blocking more flashcarts and adding some small changes to the Launcher and DSi Shop.
v1.4.5A
v1.4.5C
v1.4.5E
v1.4.5J
v1.4.5K
v1.4.5U
v1.4.4A
v1.4.4C
v1.4.4E
v1.4.4J
v1.4.4K
v1.4.4U
v1.4.3A
v1.4.3C
v1.4.3E
v1.4.3J
v1.4.3K
v1.4.3U
v1.4.2A
v1.4.2C
v1.4.2E
v1.4.2J
v1.4.2K
v1.4.2U
v1.4.1A
v1.4.1C
v1.4.1E
v1.4.1J
v1.4.1K
v1.4.1U
v1.4A
v1.4C
v1.4E
v1.4J
v1.4K
v1.4U
v1.3A
v1.3E
v1.3J
v1.3U
v1.2A
v1.2E
v1.2J
v1.2U
v1.1J
v1.0J

Development NANDs:

System Version	Dumped?	Notes
v1.4.1C_dev		A SystemUpdater has been found with this version, but this was never used on a real NAND.
v1.4.1K_dev		A SystemUpdater has been found with this version, but this was never used on a real NAND.
v1.4A_dev		A SystemUpdater has been found with this version, but this was never used on a real NAND.
v1.4C_dev		A SystemUpdater has been found with this version, but this was never used on a real NAND.
v1.4E_dev
v1.4J_dev
v1.4K_dev		A SystemUpdater has been found with this version, but this was never used on a real NAND.
v1.4U_dev		A SystemUpdater has been found with this version, but this was never used on a real NAND.
v1.3A_dev		A SystemUpdater has been found with this version, but this was never used on a real NAND.
v1.3E_dev		A SystemUpdater has been found with this version, but this was never used on a real NAND.
v1.3J_dev		A SystemUpdater has been found with this version, but this was never used on a real NAND.
v1.3U_dev		A SystemUpdater has been found with this version, but this was never used on a real NAND.
v1.2A_dev
v1.2E_dev
v1.2J_dev
v1.2U_dev
v1.0J_dev

Special NANDs:

System Version	Dumped?	Notes
v1.4J_kst		Read more here.
SDK-6291		Found on an early DSi prototype, named CPU-X4. Read more here.