Nunchuk is a mobile wallet software that can be downloaded from the Google Play and iOS app stores. Nunchuk supports all major hardware wallets and offers DIY, collaborative and assisted multi-signature offerings, the latter being a paid service with additional support and inheritance options.
This video walks you through pairing Passport with Nunchuk, verifying a receive address and signing a transaction using QR codes. Written steps can be found below.
Choose Add Key > Add air-gapped key, Continue
Give the key a name like 'Passport', then choose Scan QR
Navigate to the account you want to connect, then choose Manage Account > Connect Wallet > Nunchuk > Single-sig > QR code
Present the animated QR codes being displayed by Passport, to the camera on your phone
Choose the path beginning
m/84h, this represents Native Segwit, or addresses starting with
Tap Add Key and then Done on the following screen
Tap Add Wallet > Create New Wallet
Give the wallet a name such as 'Passport Single Sig' and leave the address and wallets types to default
Select the Passport key to be used for this single sig wallet, then tap Continue
Review the wallet details, then tap Continue again
Optionally save your BSMS backup file
Tap on the newly created wallet, then tap receive
Scan the receive address QR code being displayed by Nunchuk and look for a teal colored check mark to confirm successful connection.