Lenovo vibe k5 plus is the good looking smartphone that specified has andriod v5.1.1 Lollipop operating system with 4G VOLTE dual sim. It has a good battery back up but it always has heating probem.it’s heating even while calling and video playbacking.when I am browsing the phone was highly heated in few seconds.and it’s cooling after half an houre.and another problem is that the system volume automatically dicrease while using headset.