Announcement of Android L upgrade delay

Statement From ASUS:

Asus was scheduled to provide ZenFone4, ZenFone5,ZenFone6, ZenFone5 LTE and PadFoneS with Android L upgrade in the end of April.We've sent the new version for final verification and we expect to release the upgrade soon.
Please refer to following table for new OTA plan. We would request the kind consideration and understanding of our customers with regards to any inconvenience caused by this schedule changing.