If you're having trouble linking your Robinhood account to Zoya, it may be due to your two-factor authentication (2FA) settings. Zoya currently doesn't support the "Device Approval" 2FA method.
To resolve this, log into your Robinhood account and navigate to the Two-Factor Authentication page under the Security and Privacy section. Switch to either "Authenticator App" or "Text Message". After updating, try linking the account to Zoya again.