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Repair information and guides for the iPhone 8 that was released on September 22, 2017. Model: A1863, A1905

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iPhone 8 went dark while in use and now nothing at all

My daughter was using her iPhone 8 and it suddently went dark. She thinks it was around 75% on the battery and was plugged in at the time. Now it will not do anything. I have tried many different power blocks and cables, all of which work on other Apple devices. I had it sitting on a wireless charger for long an long with no joy. I have tried holding various buttons (power and vol down, power and vol up, etc. etc. etc.) for various amounts of time with absolutely no response from the phone.

I am just wondering what might have gone bad in there? Battery? Main board? I don’t really see how it can just blink off while in use like that. I am farily handy with multimeters and things, but just don’t know what to start with.

Thanks!

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Have you tried connecting the phone to an external screen such as a monitor with HDMI?

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It is possible you screen died, in which case it would display fine over HDMI

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I do not have that sort of a connector at this time. I would think it would make some noises or vibrate even if the scren is dead, though. I does neither. I'll look for a connector to check anyway, though. Thanks!

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Try starting with a battery replacement. If that doesn’t work, try a screen replacement. It could just be a bad battery, though it depends on how old the phone is and how much it gets used on a day to day basis

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jai will be eternally grateful.
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