3G, HSDPA 850 / 900 / 1900 / 2100 4G, LTE band 1(2100), 3(1800), 5(850), 8(900), 20(800), 40(2300), 41(2500) WiFi, Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
3.5 mm Audio Jack
OS: Android 8.1 (Oreo), upgradable to Android 9.0 (Pie); One UI
Size: 6.4 inches, 100.5 cm2 (~84.2% screen-to-body ratio)

Dual Sim, Dual SIM (Nano-SIM, dual stand-by)
CPU Speed: Octa-core (2x1.8 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53) CPU: Exynos 7904 (14 nm)
RAM: 6/4 GB
128 GB
Card Slot, microSD, up to 1 TB (dedicated slot)
Black, Blue

3G, HSDPA 850 / 900 / 1900 / 2100 4G, LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) WiFi, Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
3.5 mm Audio Jack
OS: Android 8.1 (Oreo), upgradable to Android 9.0 (Pie); One UI
Size: 6.3 inches, 97.4 cm2 (~83.6% screen-to-body ratio)

Dual Sim, Dual SIM (Nano-SIM, dual stand-by)
CPU Speed: Octa-core (2x1.8 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53) CPU: Exynos 7904 (14 nm)
RAM: 4/3 GB
64/32 GB
Card Slot, microSD, up to 1 TB (dedicated slot)
Ocean Blue, Charcoal Black

3G, HSDPA 850 / 900 / 2100 4G, unavailable WiFi, Wi-Fi 802.11 b/g/n, hotspot
3.5 mm Audio Jack
OS: 8.1 Oreo (Go edition)
Size: 5.5 inches HD+ Display

Dual Sim, Dual SIM (Mini-SIM, dual stand-by)
CPU Speed: Quad-core 1.3 GHz CPU: MediaTek MT6580
RAM: 1 GB
16 GB
Card Slot, microSD, up to 64 GB
Black, Blue, Gold, Red