Infinix Smart 4 display screen is a capacitive 6.6 inches’ touchscreen display. The Infinix Smart 4 price is $84. This device runs on an operating system of Android 9.0 Pie (Go edition). The Smart 4’s rear camera is an 8 MP rear camera. The front camera of the device is a 5 MP selfie camera. It comes with 1GB RAM/ 16GB. A non-removable Li-Po 4000 mAh battery powers the Smart 4. It has X653 version(s).