If you backed up your Wallet using the cloud option, you just need to sign in to your Google or Apple account and enter the master password you created when you backed up your Wallet.
Tap on Settings.
Sign in with Google or Apple.
Enter the master password you created when you backed up your Wallet.
This will restore access to all of your wallets and crypto-assets in the Bitcoin.com Wallet. It's that easy!
You can add any supported wallets you've previously backed up by entering the 12-word passphrase for each wallet.
From the home screen, tap the Add/Import button.
Select "IMPORT WALLET"
In the "Recovery Phrase" tab, choose the wallet type you'd like to import (Bitcoin Cash, Bitcoin, or Ethereum).
Enter the 12-word recovery phrase or, if you've backed up your wallet in QR-code form, you can scan the code.
This video demonstrates how to import your wallet: