Connect Your Wallet to DIMO MobileUpdated a month ago
Open the DIMO mobile app on the main screen.
Go to the Account tab, scroll down and click on "Advanced"
Then click on "Export Wallet"
Use your fingerprint or FaceID to approve
Click on "Got it"
Click on "Show Private Key"
Use FaceID or Fingerprint to approve
This will then reveal your private key
Make sure you copy it and then paste it into your new external wallet
You can use Rainbow or MetaMask