Allview AX4 Nano Plus official Pictures. Allview AX4 Nano Plus is a Smartphone of allview. The Allview AX4 Nano Plus Android Tablet. Announced Jun 2015. Features 7.0″ Display, MT8312 Chipset, 2700 MAh Battery, 8 GB Storage, 512 MB RAM. Allview AX4 Nano Plus price starts.