Exactly this, you need something that will be solid at room temperature.

Not my experience with an iPhone 13

Not quite, you have to have the camera angled at your face. If the phone is flat on your desk it won’t unlock unless you lean right over it.

Can you run banking apps and stuff on that os?

I’m guessing you don’t know any mixed race people.

Until security updates are stopped in October next year…

Single exit point is an assembly rule that was mindlessly ported to C/C++. It doesn’t make sense in a structured language.

It’s not the first. The B2 has been around since 1997. And the F117 since 1983.