Even if you don't have access to your email inbox anymore, you can still sign in to your Operoo account that uses that old email address.
Just go to the Operoo Sign In Page and type your old email address and your Operoo password.
1. Sign in to Operoo with the old email address. If you can't remember your password, reset it using the SMS method in these instructions.
2. Change your email address by following these instructions.