I can't find my phone, and my Dropbox was linked to Google Authenticator for security. Now, I can't sign in because I don't have the 6-digit Google Authenticator code, and I didn't set up emergency backup codes. I tried reinstalling Google Authenticator, but it didn't show the codes. However, I still have the same phone number and gmail. I really need to access my account. Can someone please help me with this?