Asus keeping up it promises to update the previous year models to Android Oreo, and now Asus ZenFone 4 Pro added to the list. Asus has started to rollout Android Oreo as on OTA on March 12, 2018 for ZenFone 4 Pro. The update carries the version number V15.0410.1802.34.
The update brings all the Android Oreo features and additionally brings Power consumption improvement, Long screenshot function, Substitute Cast function for PlayTo function.
Head to Settings–> About –> System update to check for update manually, As the update will be rolled out in phases it will take couple of weeks to reach all the devices.