MIUI 9.2 based on Android 7.1.2 (Nougat) upgradable to Android 8 (Oreo) with system level customizations and optimizations for performance and battery life 64GB Internal Memory (with 4GB RAM)/ 32GB Read More...
Symbian Belle, upgradable to Belle FP1 Java: MIDP 2.1 Others: Qt, Web runtime, Flash, Python, Open C/C++, Symbian C++, FOTA and FOTI for firmware upgradation 8GB, RAM: 512MB 1GHz ARM Read More...