Curious Xperia Z owners awaiting the Android 4.2.2 update can get an idea of what to expect from the update by watching some demo videos. It appears that users, who installed an unofficial firmware version of the update, have uploaded the videos on YouTube.

There are two videos showing the features of upgrade that has possibly used the Android 4.2.2 custom ROM. XDA developer DoomLoRd recently revealed one such custom ROM. An Android 4.2.2 upgrade is expected to add several new features to the Sony Xperia Z, including lock screen widgets, DUALSHOCK 3 support, transparent notification bar and Daydream screensaver.

A quarter-hour video named “Sony XPERIA Z with official leak Android 4.2.2 Jelly Bean review” explains the key elements of the upgrade in Czech, but it does give an idea of the new software even if you don’t understand the language.

The other video – a four-minute demo – named “Xperia Z 4.2.2 firmware leaked!” describes the upgraded device’s lock screen widgets and advanced animation. It is not accompanied by a commentary, but serves to provide a glimpse of what the software update will add to the device.

Going back to its worldwide debut in February, tech enthusiasts were fascinated by the Xperia Z’s 5-inch 1080p display. It launched with the Android 4.1.2 Jelly Bean version, 1.5GHz quad core Snapdragon S4 processor, 2GB RAM and mobile Bravia engine. The device has been touted for its rugged features, especially its water-resistant feature. It debuted as a feature-packed device capable of competing with the hot-selling flagship smartphones of Samsung and HTC One.

The Android 4.2.2 update to the Xperia Z has yet to arrive, but new rumors and developments point to a quick release. For now, Xperia Z users just have to exercise some patience.