Did you follow the steps at https://support.google.com/accounts/troubleshooter/2402620 ?
Trying this now. Edit: the closest solution is to try account recovery, which is what I was doing. :( I don't want to "spam" the recovery form, since I suspect that will only make it worse. Edit2: trying Gmail app and Google Authenticator now, to see if that makes a difference. Will update with progress. Edit3: no dice. Gmail app just loops me to a message saying "Google couldn't verify that this account belongs to y…
- Have you, by any chance, stored some google recovery codes somewhere ?
- Isn't there a "call me and read me a one-time six-figure code" option available in all the login/authenticate option Google provides ?
hope it helps