If you’re interested in importing an additional wallet after already downloading Rainbow, this article is for you — you can fully import an additional wallet at any time by following the instructions below.
Using Watch Mode
With Rainbow's Watch Mode, you can easily follow anyone's wallet activity or see what's inside their wallet. If you have a hardware wallet, you can even use Rainbow to visualize your NFTs and keep track of its balances. All you have to do is import the wallet's public address or an ENS domain.
Step 1: You’ll click the drop down arrow on the main screen
Step 2: Add another wallet
Step 3: Tap: Restore with a recovery phrase or private key
Step 4: Enter the secret phrase (or private key) of your existing Ethereum wallet