Format Hub
Switch XCI Download
An XCI is a full cartridge image with cart certificate data and padding intact. This hub is the switch xci download landing on romsns.xyz.
Cartridge Image Structure
| Field | Offset | Size | Description |
|---|---|---|---|
| XCI Magic | 0x100 | 4 B | HEAD identifier for cartridge header |
| ROM Area Start | 0x104 | 4 B | Byte address of ROM area start page |
| Backup Area Start | 0x108 | 4 B | Address of the backup area start |
| Title Key Dec Idx | 0x10C | 1 B | Title key decryption index (KEK) |
| Gamecard Size | 0x10D | 1 B | Physical cartridge capacity code |
| Card ID 1 / ID 2 | 0x110 | 8 B | Unique card identification values |
| Card UID | 0x118 | 8 B | Unique identifier for this cart unit |
| HFS0 Partition | 0x200 | Variable | Root HFS0 filesystem container |
| Secure Partition | Variable | Variable | Encrypted NCA content area |
| Logo Partition | Variable | ~512 KB | Nintendo / publisher boot logo |
| Normal Partition | Variable | Variable | Unencrypted card metadata |
XCI on this catalog
| Title | Title ID | Format | Size | Date | Get | |
|---|---|---|---|---|---|---|
|
Ganbare Goemon Daishuugo | XCI | 2.14GB | 2026-09-01 | Get | |
|
HEART of CROWN | 0100ED9025460800 | XCI | 1.74GB | 2026-09-01 | Get |
|
Unrailed 2: Back on Track | 01006D00241E6000 | XCI | 1.74GB | 2026-09-01 | Get |
No titles match.
XCI Format FAQ
XCI is a cartridge image. It keeps the cart container, including padding, rather than an eShop-style package.
No. Pick the format that matches your workflow. Updates may still arrive as NSP even if you started from XCI.
The NSP catalog lives at /dumps/nsp/. Game crumbs use the format that exists on that title.
No. This page owns switch xci download. Home on this host is switch nsp files, not nintendo switch nsp.