Lenovo K3 Note Related Question and Answer

Yes, it supports

Two are waste

No, Lenovo K3 note does not support VoLTE. The phone supports 4G. If a reliance Jio sim is to be used, then this 4G can only be used for data

No

No

I have not faced any such problem. I think you should visit the customer care.

yes k3 note should be compatible with ambrane p-1511. 

No

No, it's not coming but you can upgrade it by yourself with 6.0 marshmallow

Jaysukh

Lenovo k3 note got updated to marshmallow from lollipop. I think that's the end of it, unless lenovo decides otherwise. Lenovo k3 note

If it is under warranty then  you can get it repaired for free from service center but there are terms and conditions like no water damage etc . 
I don't think they will replace it but yeah they should repair it. 

No, it lacks IR Blaster

No.

No, it cannot record 4k videos