Samsung is the best brand of smart phone.Galaxy C9 Pro is part of samsung family.
1. 6 GB RAM so speed is awesome.
2. Primary and Secondary camera is 16 MP so picture quality is very good.
3. 4000 mAH battery so backup is the good.
4. Sound quality is very good.
5. 6 inch touch screen size and display is super AMOLED capacitive touchscreen
6. Fingerprint sensor, accelerometer, proximity, compass
7. Available in good colors.
8. Network technology GSM/HSPA/LTE
9. I think is the best smart phone is reputed companies in this price categories