I discovered that you can now keep a digital copy of your DNI, driving license and car cedular on your phone using the Mi Argentina app.
It's odd, but as soon as I installed the app, I had a funny feeling it wouldn't work - and it didn't, because you have to receive an email to validate the account, but that email never arrives.
Just like the PIM app for paying for goods, it simply goes around in circles on a highway to nowhere.
There's no help page either, except for a chat bot which serves zero purpose. So this is the second useless app from the government, which doesn't surrpise me one bit.
It turns out that this is only for people who have a new DNI since last November but nowhere on the site does it mention that.
¿Quiénes pueden tramitarlo?
Todos los ciudadanos, nacionales y extranjeros con residencia temporal o permanente vigente mayores de 14 años que realicen un nuevo ejemplar de DNI tarjeta y quieran portar el DNI en tu celular junto al resto de sus aplicaciones.