To do this, hold down two buttons at the same time: "Home" (a circle located under the screen) and "Sleep / Wake" (a rectangular button on the top of the device).
Ukuze wenze lokhu, kanyekanye ubamba izinkinobho ezimbili: "Ekhaya" (indilinga elise ngezansi kwesikrini) kanye "Ukulala / Wake" (inkinobho unxande ohlangothini phezulu idivayisi).