On the Hedera Portal, after pairing your public key from your Hedera Wallet to the Hedera Portal, you'll see a new Account ID (e.g., 0.0.1234). Follow the manual steps outlined here to pair that Account ID with your wallet:

• In your Hedera Wallet app tap the  menu icon on the top right of the Hedera Wallet application, and then tap "Default Account". In the "Account ID" field, enter your account ID (e.g., 0.0.1234) from the Hedera Portal.