Maxwest Astro X4 official Pictures. Maxwest Astro X4 is a Smartphone of maxwest. The Maxwest Astro X4 Android Smartphone. Announced Jan 2016. Features 4.0″ Display, MT6572M Chipset, 3.15 MP Primary Camera, 1400 MAh Battery, 4 GB Storage, 512 MB RAM. Maxwest Astro X4 price starts.