HTC is rolling-out its official Android 5.0 Lollipop update to the HTC Desire 816 device. The Update is Available Over-the-air (OTA) to all carriers/unlocked Desire 816 variants and its size is about 860MB.
The HTC Desire 816 update packs many performance improvements, new lock screen, new notification panel and updated User Interface but still keeps the Sense UI v6.0 on the Android 5.0.2 Lollipop build.
