The OnePlus X has a metal frame with a subtle finned effect running all the way round, which is broken up by a volume rocker, sleep / wake key, notification
alert slider control, and Nano SIM card tray.
Not exact matches
There is however, a button of the left — what OnePlus has designated the Alert
Slider, which allows you to
control which notifications you wish to be
alerted.
I also adore the
alert slider built into the side of the phone, because I always appreciate tactile
controls over anything.
However, as OnePlus highlights, it does feature a unique continuous hard edge or «horizon line» that separates two shades on the front and back, and its own
alert slider for
controlling alerts.
For certain devices, including OnePlus and Oppo phones, the release offers advanced features like an enhanced kernel, advanced gesture
control, and support for the
alert slider and fingerprints scanner.
While it's similar to the ring / silent switch on the iPhone 8, the
alert slider has three different settings that allow you to
control notifications.