By the time you read this, HTC One Android 4.1.2 Jelly Bean is available on your device via Over the Air (OTA) download.

We have reports that HTC One unlocked handset is receiving the much anticipated Android 4.1.2 Jelly Bean update. As reported by Android Central this update will be available tonight.

No word has been said about the same availability for carrier locked devices and we hope those update reaching other variants in quick time. This update is of file size 17.55 MB and includes the version number as 1.29.xxxx.17. HTC didn't post any change log providing what features included in this smartphone. Also we don't have exact info to which region this update is available.HTC One Software update

Since this update is available via Over the Air download you can either use Wi-Fi or cellular data connection. Wi-Fi doesn’t cost any charges for download but data connection will cost additional charges and also the download speed may vary. This update will not delete any content on your device so you don’t need to backup anything.