ZKNOX Orange

ZKNOX Orange

Load custom applications onto your Ledger device in development mode. Perfect for developers building and testing Ledger apps.

โš ๏ธ Development Mode

This tool is intended for developers testing their own applications.

1. Connect Device

Put your Ledger device in Dashboard mode (main menu, no app open)

Status: Disconnected

2. Application Details

Name shown on device
Intel HEX format (.hex) file from your build
app.map file - automatically computes Data Size and Install Params Size
โœ“ Map parsed: |
secp256k1, secp256r1, ed25519, bls12381g1
e.g., 44'/60'/0' for Ethereum
SDK API level (typically 22 for recent SDKs)
From app.map: _einstall_parameters - _install_parameters

3. Load Application

4. Custom CA

Push a custom Certificate Authority to enable sideloading. Device must be in Recovery Mode.

๐Ÿ“ฑ How to enter Recovery Mode

Flex: Turn off โ†’ Hold button near USB โ†’ Connect USB โ†’ Release at "Recovery"

Stax: Turn off โ†’ Hold upper-left corner โ†’ Connect USB

Nano S/S+/X: Hold left button โ†’ Connect USB โ†’ Release at "Recovery"

Uses test CA with private key = 1 (secp256k1 generator point G as public key)

Log