First of all I m still personaly using k3 note . and I m dissapointed to buy this phone.
1) No volte support
2) Low quality mali graphics is used which they buy from third party vendors
3) poor battery life
4) worst camera I seen in my life
5) it becomes heating during battery charging
6) 3.5 or 4 hours time it takes to fully charge.
7) Aesthetics aspects is not so good.
8) Mt6752 chipset is used which gives average performance
9) No Root after marshmallow
10) plastic back cover ( poor)
11) 1.5a worst travel adapter charger
12) NO dual 4g support
13) No screen protection mentioned.
14) waste of time and money