It is the best moblie from lenovo it is running on mashmallo 6.0.1( upgraded from lolipop 5.1.1) .
Pros:
It has an excellent display and unmatched audio quailty.
Performance is smooth without any noticeable lags.
Fingerprint sensor is quick( after update) .
Excellent battery life.
Camera quality is good.
Cons:
It is a bit bulky.
Havy gaming not ok.
Does not support VOLTE.
Update are slow to come. Overall performance voice moblie was good to buy or use the phone.my advoise is go for it and buy it frends.