The HTC Butterfly Android 4.2 update has been released in Taiwan, the update comes in the form of Android 4.2.2 Jelly Bean and it has been released as an OTA update in two parts.
The first update is a small one of around 1MB in size, the second is the Android 4.2.2 Jelly Bean update which is around 551MB, and it brings some new features to the handset.
The Android 4.2.2 update for the HTC Butterfly adds HTC’s Sense 5 and BlinkFeed plus a number of other features. There are no details as yet on when the update will be available in other regions.
Source GSM Arena