Holy shit, someone that ACTUALLY knows what T9 was!

Most people think that T9 was the method of typing on the telephone keypad, but no its an improvement on that!

Predictive text was another name for it.

Same

Fairmail is good. My issue with it is that the F-Froid version did not work with my provider, so I’ve been using k-9 mail instead.

It’s also foss, and the F-Droid version works with my provider. It’s really nice and fully featured.

That is a type hint