Thanks for your patience, here is the L update for ZF5/ZF6:
How to update to Android L for ZF5 /ZF6 WW
1.Make sure you have updated to KK v2.22.40.53 (bridge build), download it from here if you haven’t yet : (put it on the root folder of your phone , then unplug USB wired)
http://dlcdnet.asus.com/pub/ASUS/ZenFone/A500CG/UL-ASUS_T00F-WW-2.22.40.53-user.zip (ZF5)
http://dlcdnet.asus.com/pub/ASUS/ZenFone/A600CG/UL-ASUS_T00G-WW-2.22.40.44-user.zip (ZF6)
2.Download Android L image WW-3.23.40.60-user from this URL: (put it on the root folder of your phone , then unplug USB wired)
http://dlcdnet.asus.com/pub/ASUS/ZenFone/A500CG/UL-ASUS_T00F-WW-3.23.40.60-user.zip (ZF5)
http://dlcdnet.asus.com/pub/ASUS/ZenFone/A600CG/UL-ASUS_T00G-WW-3.23.40.60-user.zip (ZF6)