Double tap

[Coskun60]

I can not find the screen-off feature when I double-click on my device

Cihazımda çift tıklayınca ekran kapatma özelliğini bulamadım

[Uliwooly]

@Coskun60

I've edited your post as this is an English only forum, you can use Google Translate to reply and/or post.

This is not available on this device.

[Johnny_Curry1]

Xperia Home settings, open app tray, top right corner 3 dots, tap on settings and it is towards the bottom.

Edit: @uliwooly it is available on the Android 6.0 firmware-I use it myself (E5303).