Yes, Redmi Note 6 Pro does have the IR blaster sensor. You can control many electronic appliances like TV, LCDs, Microwave Ovens, ACs with it.
We are very sorry but we do not offer any exchange schemes for Redmi Note 6 Pro as of now.
Redmi Note 6 Pro comes with 2A output fast charger in the box.
Yes, Redmi Note 6 Pro does have the face unlock function as well.
Yes, Redmi Note 6 Pro does have the Gyroscope sensor.
The Redmi Note 6 Pro has it all - great display, snappy performance, no-nonsense features, excellent battery life, and very good and hassle-free camera experience. And all this is available at an amazingly low price.