|HTC One Android 4.3 jellybean|
It looks like HTC One soon will get Android 4.3 jellybean update as an image showing running Android 4.3 on HTC One was posted on Xda earlier today.
Some users at Xda-developer forum, located in different parts of the world, have reported getting the update on their HTC One. A shared screenshot of the device's update notifications reveals the build number, which is 3.22.1540.1, and claims to contain Android 4.3 Jelly Bean update and Sense 5 enhancements. The Android 4.3 Jelly Bean update for the HTC's flagship smartphone is reportedly available over the air (OTA).
A member of Xda forum claims to receive the update for his unlocked HTC One 32GB in US. While another member claims that his HTC One 64GB Developer Edition is receiving Android 4.3 update in Los Angeles, CA. As of now, the Android 4.3 Jelly Bean update has been confirmed for the US region but we assume that other regions. will be receiving the update soon. While the Taiwanese handset maker has still not revealed details about any official Android 4.3 update rolling out to the HTC One.
Additionally, a user at forum confirmed that HTC One dual-SIM is also receiving an update for bug fixes including network stability and SMS transmission
No official news about the update being provided by HTC but it's looks it could be in a week or so.