I used a flip phone for a ~week a couple months ago, I was amazed how fast T9 came back. Felt like riding a bike. I remember having a flip phone with a broken

I used a flip phone for a ~week a couple months ago, I was amazed how fast T9 came back. Felt like riding a bike. I remember having a flip phone with a broken screen for a short while in the mid noughties, and being able to still make calls, send texts, change settings all from memory/muscle memory.