Maxwest Astro 4.5 official Pictures. Maxwest Astro 4.5 is a Smartphone of maxwest. The Maxwest Astro 4.5 Android Smartphone. Announced Jul 2015. Features 4.5″ Display, MT6572M Chipset, 8 MP Primary Camera, 1700 MAh Battery, 4 GB Storage, 512 MB RAM. Maxwest Astro 4.5 price starts.