Enabling it typically involves adding a mobile phone number to your account.
If you want to enable it, you’ll have to do it from within the mobile app.
If you want to enable two-factor authentication, you have to do it entirely through the app.
Tumblr
There is currently no option to enable it via the Tumble mobile app.
To enable two-factor authentication, you’ll have to sign in to your account from a web web app.
JetPack hasinstructions on how to get startedwith installing and using the plugin.
Tumblr
Evernote
