Front camera is quite impressive it has 20 mp front camera for selfie peopleand other hardware as compare to the market is not upto the mark.
battery is impressive in all oppo devices.
Voice quality is good.
Screen is not that much great.
Processor should be qulacomm but mediatek helio is quite awesome. But it will give you heating issues.
Ram is the coolest part of this device.it has plenty of ram 6 GB.
No gyroscope.