The Index S2 offers an upgrade on the previous model, with a new color screen, upgraded sensors and more body metrics. However, at $149.99, we have to say there are much better devices out there.

Xiaomi Redmi S2 mobile was launched in May 2018. The phone comes with a 5.99-inch touchscreen display offering a resolution of 720x1440 pixels. Xiaomi Redmi S2 is powered by a 2GHz octa-core Qualcomm ...