- Originally released September 2018
- S4 with 64-bit dual-core processor (Up to 2x faster than S3 processor)
- Electrical heart sensor (ECG app)
- Water resistant to 50 meters1
- LTPO OLED Retina display with Force Touch (1000 nits brightness)
- Wi-Fi (802.11b/g/n 2.4GHz)
- Bluetooth 5.0
- Optical heart sensor
- Improved accelerometer
- Improved Gyroscope
- Ambient light sensor
- Capacity 16GB2
