Sim not working properly in iPhone 8 Plus
I purchased an iPhone 8 Plus from Dubai. Everything is fine, except that my Jio sim is not working up to the mark in my phone; in fact no other service provider works well. The issue I face is that whenever I call someone, during the call my voice drops down and is not audible to the other person. And I have to make sure and confirm from them a lot of times if they are able to hear me. This causes breaks in the flow of communication and is very frustrating. Also, the signal strength is poor most of the times, and mobile data doesn’t work effectively.
At first I thought it to be a mic issue, but it seems that the mic is working fine, since I am able to talk without any hindrance through an internet call (like a WhatsApp call). I want to understand why this problem is occurring and if my phone could possibly be defective.
iPhone 8 Plus, iOS 15