OS Android 7.0 (Nougat), upgradable to Android 8.0 (Oreo)
Chipset Exynos 7870 Octa (14 nm)
CPU Octa-core 2.2 GHz Cortex-A53
GPU Mali-T830 MP1
Storage: 32GB
RAM: 3GB

OS Android 7.0 (Nougat), upgradable to Android 8.0 (Oreo)
Chipset Exynos 7870 Octa (14 nm)
CPU Octa-core 2.2 GHz Cortex-A53
GPU Mali-T720 MP2
Storage: 32GB
RAM: 3GB

OS Android 6.0 (Marshmallow)
Chipset Mediatek MT6737T (28 nm)
CPU Octa-core 2.2 GHz Cortex-A53
GPU Mali-T720MP2
Storage: 32GB
RAM: 3GB

OS Android 5.1 (Lollipop) - 3G model
Chipset Spreadtrum SC9830
CPU Quad-core 1.5 GHz - J106F/DS
GPU Mali-400MP2
Storage: 8GB
RAM: 1GB