This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Wannan tattunawa ta zama daɗaɗɗiya. Yi sabuwar tambaya idan ka na bukatar taimako.

MFA on Mobile number

gaurav.sharma1274
gaurav.sharma1274
more options

Hello team, I wanted to setup my firefox account for multi factor authentication via sms on my mobile number. I don't want app authenticator, as it's not working, and not that efficient. how can I do that?

Thanks, Gaurav

Hello team, I wanted to setup my firefox account for multi factor authentication via sms on my mobile number. I don't want app authenticator, as it's not working, and not that efficient. how can I do that? Thanks, Gaurav

Mafitar da aka zaɓa

2FA through mobile numbers is now strongly discouraged because of the security issues it presents. 2FA apps are the new standard. Many websites still support 2FA over the phone still for legacy purposes.

It's not likely that it will be added to the Firefox Accounts system.

Karanta wannan amsa a matsayinta 👍 0

All Replies (5)

Wesley Branton
Wesley Branton
more options

Currently, the Firefox Account system does not support two-factor authentication through phone numbers.

It's unlikely that this feature will ever be added to the system because of the various security issues associated with 2FA through SMS.

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
more options

In what way is an authenticator app not working ?

An authenticator app needs internet connection to ensure that the time is correct within a few seconds (a response is only valid for thirty seconds).

Note that there as also authenticator extensions.

gaurav.sharma1274
gaurav.sharma1274 Mai mallakar tambaya
more options

Hi Team, If MFA code can't be sent to mobile number, then can this be sent to registered email id ?

I don't know why firefox mfa is not possible through mobile number, whereas google, microsoft, facebook, twitter like many other companies and lots of banks are supporting and using it to send a authentication code on mobile numbers or email address.

Can this be implemented for firefox as well ?

Thanks!

Wesley Branton
Wesley Branton
more options

Zaɓi Mafita

2FA through mobile numbers is now strongly discouraged because of the security issues it presents. 2FA apps are the new standard. Many websites still support 2FA over the phone still for legacy purposes.

It's not likely that it will be added to the Firefox Accounts system.

gaurav.sharma1274
gaurav.sharma1274 Mai mallakar tambaya
more options

Hello Team, I'm using Google authenticator, scanned the QR code and added a profile. But firefox is not accepting the code which was generated by the app.. it says Invalid two-step authentication code. I tried to remove and added the recovery code couple of times but this doesn't work.

Please help.