Samsung Galaxy M12 (Blue,4GB RAM, 64GB Storage) 6000 mAh with 8nm Processor The Samsung Galaxy M series phones (M10/M20/M30) are mid range Android Phones launched in December 2018. This doesn't make them any less value for money than the flagship devices. Although being in the mid range it still has some interesting features that may grab your attention like the 5000 mAh battery, Octa Core Snapdragon 632 SoC and 4 GB of RAM in the M10 or 4000 mAh battery and 64 GB of storage and octa-core Exynos 7904 SoC in the M20.