Asus ZenFone 4 Max HD ZB500TL
http://www.gsmarc.com/asus/zenfone-4-max-hd/

Asus ZenFone 4 (2017) ZE554KL
http://www.gsmarc.com/asus/zenfone-4-2017/

Asus ZenFone 4s
http://www.gsmarc.com/asus/zenfone-4s/

Asus ZenFone 4 Pro
http://www.gsmarc.com/asus/zenfone-4-pro/

Asus ZenFone 4 Selfie
http://www.gsmarc.com/asus/zenfone-4-selfie/

Asus ZenFone 4V V520KL
http://www.gsmarc.com/asus/zenfone-4v/