While users in Scandinavian countries are reportedly receiving the update it has still not arrived for UK devices. You should receive a notification when it is available for your device at which point you can initiate it. Because of its size users are recommended to connect to Wi-Fi in order to download the update and avoid unnecessary data charges
Along with new Android 4.2 Jelly Bean features like Daydreams and lock screen widgets, the Android 4.2.2 update for the HTC One has the following new features and improvements:
- Launcher bar enhancement
- Widget panel rearrangement
- New lock screen style and widget
- Enhanced behavior of the home button
- The death of the black bar
- Battery percentage in the status bar
- Quick settings
- AE/AF enhancements in the camera
The unlocked variants of the device will likely be the first to receive the update, while carrier branded versions of the HTC One may not receive the update for several more weeks. If you live in Europe and own an HTC One head over to Settings > About > Software updates and let us know if the update is available for your device.