How to import/restore an account into Polkadot Vault!
The main benefit of Polkadot Vault is that your mnemonic passphrases / private keys are offline and airgapped at all times. It is recommended not to import accounts into Polkadot Vault that have been previously exposed to the internet and not airgapped.
The following steps need to be carried out on your Polkadot Vault Device.
Open the Polkadot Vault application.
SelectAdd Key Set.
SelectRecover Key Set.
Input a nickname for your account, and selectNext.
Input your secret recovery phrase and then SelectRecover Key Set.