Strange slow motion/munchkin call quality issue on new iPhone 6s

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I just brought home a new iPhone 6s purchased directly from apple. I'm having a strange audio issue that effects both ends of a call. On my end people sound as if they are speaking in slow motion, sound is about half of original speed with a lot of static.  At the other end of the call I'm told I sound like an alien munchkin. So I called my own home phone from my iphone and left a message for myself and sure enough I do sound like an alien Munchkin! LOL. My location is downtown Toronto and I'm on a monthly unlimited voice plan. 

I contacted Apple support and they had me do a factory reset and that didn't help. Problem is still there. The ticket is still open and the next step would be to replace the phone. Before I do that I just wanted to check here to see if anyone has experienced this type of issue with an iphone.  I did a search before posting and nothing in the search results resembled my issue.  
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peter

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Posted 2 years ago

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Robert, Mobile Master

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I've never experiences that in my entire Apple life. Have you called Koodo tech support ?
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peter

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I just got off the phone with tech support. They think it's a hardware problem. They tried a reset on their end but that didn't solve the issue.  They did record the call to send to the engenerers for troubleshooting purposes and recommended that I take the phone to Apple and have it checked out.  

The one think I forget to mention is that the SIM card became separated from the plastic backing when I was removing it from the card. I put it back together and forgot about it. I don't think that would cause this issue but I thought I would mention it in case I'm wrong.  
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Erwin

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Hi Peter,

Go to a Koodo Shop and get the SIM replaced under DOA, you will have to bring your receipt and the plastic card of the Sim Card.
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peter

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Sim card was replaced today at no charge but the issue is still there. I'm certain it's a defective phone. I have an appt. with Apple tomorrow to have it checked out. 
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Michael Gironda

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Peter, I have the exact issue! WEIRD!! I'm not sure but I believe it has to do with wifi or bluetooth. It happened quite often thru my Sony car stereo so I figured it was a compatibility issue so I switched to a bluetooth headset and it still does it.
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peter

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I took the phone to the Apple store Genius Bar. The tech who handled my case said that he has never heard anything like it. He tried a few resets which didn't work. He determined that the phone is faulty and exchanged it for a new one and I'm happy to report the new phone is working properly, so far no issues.

Michael, if you disconnect your phone from everything and just listen on the iPhone's built in speaker does it still do it? If it does then you may have the same issue I had and will need to exchange the phone (if recent purchase) or have it repaired.  If the issue is not there when you disconnect other devices then it may be a compatibility issue between the iPhone and your devices.  

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