Asus to announce new ZenFone 4 smartphones on August 19

After unveiling the ZenFone 4 Max (which is currently available only in Russia), Asus is now getting ready to announce more ZenFone 4 handsets - possibly including a regular ZenFone 4, a ZenFone 4 Pro, a ZenFone 4 Selfie, and a ZenFone 4V.

At least some of the smartphones mentioned above will be showcased on August 19, when Asus is hosting an official ZenFone 4 event.

As seen in some previously unveiled teaser images, the ZenFone 4 series should be all about dual cameras. One of the upcoming handsets, the ZenFone 4 Pro, will likely have a dual rear camera ...