Support 3DS European firmware Ver. 1.1.0-1E;
Support iDSi Chinese firmware V1.4.2C;
Support NDSi/NDSi LL Japanese firmware V1.4.2J;
Support NDSi/NDSi XL American firmware V1.4.2U;
Support NDSi/NDSi XL European firmware V1.4.2E.
1. All machines are upgradable: even your machine has already been in firmware 1.4.2. And no need to find another bootable machine to perform the upgrading process.
2. risk-free: flash card will not be damaged even the upgrading process is not successfully.
3. fast and easy to update
just plug in the "programming cable" and wait for about 30sec.