Good Android phone with 1.9GHz Quad-core processor provides good performance and great system execution of the Samsung Galaxy S4.
With one SIM card slot, the Samsung Galaxy S4 allows download up to 100 Mbps for internet browsing, but it also depends on the carrier.
Great connectivity of this device includes Bluetooth 4.0 + A2DP, WiFi 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO and NFC to make mobile payments or connection to other devices.