To check for the update go to the controls menu in your OnePlus One smartphone.
If you want the direct link, the OTA file is availablehereand a mirror site is availablehere.
source: www.techworm.net
Cyanogen 12 based on Android 5.0 Lollipop rolled out for all OnePlus One devices, Yu Yureka to follow
Cyanogen 12 rolling out now to OnePlus One, link to OTA file available
