How to check iPhone's uptime since power-on?
Where to see how long the iPhone has been working since the moment it is turned on
[Re-Titled by Moderator]
iPhone 11, iOS 18
Hello!
I can answer that for you. It’s been working ever since you turned it on. There’s no chart that specifically displays what you are referring to; your closest bet would be the chart in: Settings > Battery.
If you have more questions please give us a shout.
Have a great day!