To update your Switcheo Account Google Authenticator code, please have you wallets "Mnemonic Phrase" ready and use the following steps.
Browse to Switcheo.exchange and login using your email/password
At the bottom of the 2FA authentication window, click on "Reset 2-Factor Authentication".
Step 1 - This clears the existing 2FA.
Enter your Email address and Mnemonic Phrase - Click "NEXT"
Step 2 - This creates a new 2FA code.
Enter your Email Address and Password - Click "NEXT"
Scan the displayed QR code into Google Authenticator, then enter the Authenticator code.
Please consider storing the code for reuse at a later time if you change phones etc.
To prevent later confusion, remember to remove the old 2FA entry from Authenticator.
You are now logged in to your wallet.
This completes the procedure.