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Iphone 4s Grey Screen Only When Sim Installed

BigDustinB

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Jun 9, 2014
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I have an Iphone 4s and when it boots up all it shows is a grey screen. Everything works besides the screen. If I push both buttons to take a screenshot it still makes the sound.

I took out the sim card and hard rebooted the phone and it works fine. Screen works perfect and everything. So obviously thought it was some sort of sim card issue. I put in a different sim from a different company and it worked fine but wouldnt let me activate the sim because it was the wrong carrier. Screen still worked though so it isnt a hardware thing.

So i took the phone in and got a new sim from Koodo which is my carrier and same thing still happened. Grey screen of death with koodo sim installed. Anyone have any ideas why this would only happen with the correct ism installed?

Please help if you can, thanks.
 
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