Brand Samsung Galaxy Manufacturer Samsung Electronics Type Smartphone Series Galaxy M First released 5 February 2019; 6 years ago (2019-02-05 ) (India) Successor Galaxy M21 Related Galaxy M10 Galaxy M30 Galaxy M40 Compatible networks Form factor Slate Dimensions 156.4 mm × 74.5 mm × 8.8 mm (6.16 in × 2.93 in × 0.35 in) Weight 186 g (6.6 oz) Operating system Android 8.1 "Oreo" with Samsung Experience 9.5 - Upgradable to Android Q 10 with One UI 2.0 System-on-chip Samsung Exynos 7904 Octa (14 nm) CPU Octa-core (2x 1.8 GHz Cortex-A73 and 6x 1.6 GHz Cortex-A53) GPU Mali -G71 MP2 Memory 3/4 GB RAM Storage 32/64 GB Removable storage microSD , expandable up to 512 GB Battery 5000 mAh (non-removable), USB-C fast chargeRear camera Dual: 13 MP , f/ 1.9, 1/2.8", 1.12 μm, PDAF, 1080p at 30 fps 5 MP , f/2.2, 1/6", 1.12 μm, ultra wide angle sensor Front camera 8 MP , f/2.0, 1080p at 30 fpsDisplay 1080×2340 1080p PLS TFT capacitive touchscreen, 16M colors 6.3 in (160 mm), 409 ppi ) Sound 3.5 mm (0.14 in) jack, vibration, active noise cancellation, Dolby Atmos Connectivity WiFi , Wi-Fi Direct , Hotspot (Wi-Fi) , Bluetooth 5.0 , FM radio with Radio Data System , USB OTG , GNSS connectivity via GPS , GLONASS , Galileo and Baidu . Data inputs Sensors: Other:
Physical sound volume keysReferences [ 1]