The advanced menu contains a number of useful features that are not required daily.
- View Identity
- Display a few public details about your wallet, such as the XPUB and the fingerprint.
- Upgrade the firmware on the Coldcard, using MicroSD. Also shows version numbers.
- Save your wallet seed and settings into an encrypted MicroSD file.
- MicroSD Card
- Manage files on the card.
- Danger Zone
- Developer-only features and things you shouldn't do.