Chosen Solution

I have been facing a really weird problem with my iPhone 5S, which is whenever I make a call or receive one, my iPhone hangs up for about half a minute or so. The phone actually hangs up the moment I tap on the button(the green button) to pick or make a call. Due to this I cannot make/receive any call on my iPhone! and my iPhone is now rendered incapable of a mobile phone’s primary functionality. Let me try and explain the situation by writing exact description of the problem: While making a call, the moment I click that green call button, a translucent black screen appears, and remain for 10-15 seconds….then the usual mute, speaker phone, keypad icons (which appears while making a call) appear. That too, sometimes with few of those round icons appearing as disabled icons. – The phone of the person I am calling rings, he picks up and talks, but I hear nothing!! – Then I click on the speaker phone button hoping I would hear something on speaker at-least, but I hear nothing. The very same thing happens when I receive any call. Except for the normal calls, I am able to make calls via other third party apps like Whatsapp, Skype, etc. But not using the iPhone calling app.   PS. I have reset my iPhone to factory settings twice already, but problem still persist.

Hello! How many cell bars do you have when you make the call? It might be the antenna has worn out.

Hi i am settu. I am using iphone 5s mobile . last week update my phone verision 11.0.1 installation is complete . But installation is complete not working properly . 5 seconds only working after not working in touch many times on or off button use after working again 5 seconds only working after not working this problem repeated this process again and again so this issue answer any solution please sent me my email settu@outlook.in

Personally I would take it to the Apple store and have them take a look at it because there seems to be some type of underling issue in the system.