[greenice]

> And of course, you can turn the phone off at night and it still turns itself on in the morning for the alarm.

I have missed this feature ever since smartphones became popular.

How come this isn't a standard feature of each smartphone by now? Are there any technical limitations?

[Nition]

The top answer here has some info re hardware support: https://together.jolla.com/question/174903/alarm-doesnt-wake...

I also miss it, as I use my phone as my alarm but there's no other reason for me to leave it on at night.

[fowl2]

DnD/Quiet Mode has basically supplanted "off".

[teddyh]

“Edison, an off switch!”

“She’ll get years for that. Off switches are illegal.”

— Max Headroom, season 1, episode 6: “The Blanks”, 1987

[exadeci]

The cpu needs to be able to support it, mediatek smartphone have it I think.