Ok, so the same exact thing happened to me on my iPhone 8 Plus. [br]
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Ok, so the same exact thing happened to me on my iPhone 8 Plus on iOS 11.[br]
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I called Apple Support and they had me do this:[br]
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[br]
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1. Press the Volume Up button once[br]
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2. Press the Volume Down button once [br]
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3. Press and hold the Power button until the phone restarts and you see the black Apple logo against the black background. [br]
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[br]
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[br]
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This fixed the issue for me right away. I couldn’t find this process anywhere online, so I’ve posted it here for the next unlucky soul that runs into this issue.
Ok, so the same exact thing happened to me on my iPhone 8 Plus. [br]
I called Apple Support and they had me do this:[br]
[br]
1. Press the Volume Up button once[br]
2. Press the Volume Down button once [br]
3. Press and hold the Power button until the phone restarts and you see the black Apple logo against the black background. [br]
[br]