Want to know is your Xiaomi Redmi 1S hardware condition is perfect or not? Well, you can do so just like Samsung smartphone. Xiaomi provides a hardware testing tool for their testers to check your phone hardware function before leave the factory. Usually, your Redmi 1S should perform just fine. But you might want to double check it again after bought it online through Mi Store. Just bring up the Test mode to check all Redmi 1S hardware functions. Okay, here is the catch. It is Chinese. So you need to know to read Chinese in order to use it. Oh well, Xiaomi is a China company. What to do?