The original iPhone featured a physical Ring/Silent switch on the left side, and it has carried over to every iPhone since.

On-Off switch circuit symbol. SPST switches can also work as "push-to-make" on, where when the button is released it returns to its normally open (off) position or vice-versa. Double pole single throw ...

Don't worry, your saved data won't be lost. To shut the Switch off manually: 1. Hold down the little circular power button on top of the Switch for between 12 and 15 seconds.

When Outlook is using the dark theme, you can switch dark mode on and off for the current message using the dark mode toggle button. Click the Switch Background button at the top of the message ...