The phrase "turn on the device" is correct and usable in written English.
You could use it in a sentence like this: "Before using the device, please make sure to turn it on."
"In the future, one second, you turn on the device, and you can start using the box.
(e.g. one that calibrates whenever you turn on the device).
There is also a fancy quasi-holographic effect when you turn on the device, suggesting your screen icons are hovering above the wallpaper.
When you turn on the device for the first time, you are prompted to pair it with your phone over Bluetooth, and to install the companion app from the Android store.
It takes over text messaging, and fresh Facebook content appears every time you turn on the device's display.
And they're asking permission to turn on the device's camera, to read SMS messages and on down the line.
Are you having trouble turning on the device?
"Just turning on the device is part of the problem, right?
Once the feature is turned on, the device will predict what word you are typing after filling in only a letter or two.
A woman places electrodes on her ankles, and turns on the device, allowing the electrical charge to run up her legs to her groin.
Steve Ballmer, Microsoft's chief executive, didn't like that the first screen that appeared after turning on the device contained oversized type that cut off the day of the week.
