The Samsung Galaxy A7 (2017) runs Android 6.0.1 Marshmallow right out-of-the-box and runs on Grace UX interface. The smartphone features an Exynos 7880 SoC consisting of 8 ARM Cortex-A53 backed by the Mali-T830MP2 GPU and sports 3 GB of RAM and 32 GB internal storage, expandable to 256 GB via a MicroSD slot which can also be used for a second Nano-SIM.[2] The device retains a non-removable battery like its predecessor, rated at 3600mAh with fast-charging capabilities. It's extra features similar to Samsung's 2016 flagships include IP68 water resistance, Always-on Display and 3D glass backing with Gorilla Glass 4. A new "Always On display" functionality displays a clock, calendar, and notifications on-screen when the device is in standby.[3]