Lenovo — VIBE K5 Plus / K5 Plus Smartphone

Address:

110020

I have purchased VIBE K5 Plus / K5 Plus Smartphone via flipkart on fen2017.
I found following issues on phone
1- While calling other party unable to hear my voice
2- Touch is so slow.

So visited service center OKHLA PHASE -2 Delhi on 6-May-17. Lenovo engineer suggested that problems are related is mike. I was asked to submit phone for repair. I did same.

Today I got phone, they said every things is fine now. I reached office and checked phone. I found calling problems again.

Kindly suggest, what I need to do. I am very frustrated. Could anybody help us.