I lose heroku authenticator app in which code generated - heroku

I lose google authenticator app in which Heroku two factor authentication sign-in.so how to recover two factor authentication code for login.
Anyone help me

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Heroku sign-on process asking for lost authenticator code

How do I associate a QR Code from my Heroku accounts with my android Authentication App being that I am locked out of my account (Catch 22).
It's been a while since I last logged into Heroku and now trying to sign-on,the process is asking for Verification Code from my Authentication App. However, I no longer have the association between the Heroku QR Code and my Authentication App. Everything I do to try in resolve (email support, make a admin request, get to admin settings/QR Code, etc.) requires that I log in first.

Can't generate authentication code to login to Heroku Account

I stupidly deleted my Authenticator app on my mobile phone and now I am unable to login to my Heroku account. Is there any way round this?
I had the same issue.
If you have Multi-Factor Authentication, recovery codes can get you out of lock out.
If you do not have those, the only way is to reach out to Heroku Support. They'll ask some questions to verify your identity, and provide a single recovery code.
Refer to this link for more details.

Heroku verify code in Google Authenticator app is gone

so i've factory reset my Android phone and Google Authenticator app is automatically uninstalled because of that.
The problem is when I'm install Google Authenticator app and login with the same Google account it's all gone including my FB, Heroku, etc for verifying code. I'm glad my FB 2-FA doesn't need Google Auth code.
The point is how to recover my Heroku account if I cannot login to verify my authenticator code? please help :)

How to login in Heroku after lost MFA app in mobile

I can not able to add new MFA app in aacount and I lost my mobile where I was install 2FAS authentication app.
I have created ticket in heroku but I still didn't get any response from them.
I have username and password but without MFA code I cannot able to login.
Please help me if any one know.

How to query a Facebook Oauth2 from server side

I've integrated Spring Security OAuth in my JAVA backend so that my mobile Android application (using the Facebook Login SDK) can benefit from Facebook Login. In the current flow, the APP uses Facebook Login SDK to fetch an access token from Android, and then passes to the JAVA/Spring backend. Then, another OAuth access token (specific to our backend) is issued and sent back to the application.
I wish I could automate the testing, in other words being able to generate fresh Facebook access tokens. And then test the whole stuff into the access to resources on my backend. My entry point is a Facebook access token.
I've failed in generated on-the-fly access tokens, then looked into never expiring tokens, I could hard-wire in my tests.
However, I've failed in generating never-expiring tokens : at best, changing a short-lived token to a long-lived token returns a token valid for 2 months only.
I've also tried https://www.facebook.com/dialog/oauth?client_id=xxxxxxxxxxxxxxx&redirect_uri=http://www.xxxx.com&granted_scopes=email,public_profile , but this only works when my cookies are available (only works from my web browser).
Also tried getting a device code, but I was stuck at the point where I had to "simulate" the user submitting the code into the web form.
Is there a known way to automate the testing ?
As #The1Fitz explained, "you cannot get a never expiring token anymore. You will need to make do with the maximum 2 month expiry date."

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