By placing a sensor button called “Exlider” on the side of the main unit, we have smartly solved – with one finger – difficulties in viewing content and using touch. By sliding the sensor, it is now possible to scale the size of small characters up or down, buttons on the screen that are difficult to push, to specify difficult positions for character insertion, to zoom the camera in and out, and much more, all simply and with one hand. As the Exlider is also linked to the tactile feedback function, the user can perceive the extent of operation not only by sight but also by touch. This smartphone aims to make one-handed operation easier.

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