Starting on Android 4.2, a new feature called Quick Settings was integrated into the Notification tray, which allows you to quickly turn on and off certain device features such as Wi-Fi, Bluetooth, GPS, etc. These toggles also provides a shortcut to the feature's more advanced settings by long-pressing on the icon.
Unfortunately, the HTC One originally shipped with Android 4.1, which does not include the Quick Settings feature.
Other manufacturers such as Samsung and Motorola added toggles in their skins (TouchWiz and MotoBlur), while HTC kept a plain featureless Notification shade. This... more