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Apple's mainstream 2020 iPhone was released October 23rd and comes with a 6.1" OLED display, a dual 12 MP camera system, and in five available colors. Successor to the iPhone 11.

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iPhone 12 Black Screen/LCD

Hi,

I recently had an iPhone 12 brought to me with no LCD Image, but it will vibrate with notifications and is taking a healthy 3.74V.

The LCD FPC is not damaged and is clean. I also checked under the Thermal Imaging Camera; no chips are flagging. I've not seen this issue before and any help is appreciated.

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2 Comments:

and you have tried a different screen ?

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Maybe try swapping out the ambient light sensor?

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2 Answers

Hi @betterrepairuk
Have you tried seeing if the display/display wires are disconnected/defective? Open up the iphone (Be careful!)
If the problem is defective, replace them. but if they are disconnected then reconnect them

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Screens brand new and FPC's fine and brackets keeping them down so don't think the flex cables are the issue

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Hi @betterrepairuk

Since you verified the problem is not the cables nor the screen it may be the motherboard or power supply

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@ihave0idea Tested the logic board under Thermal camera seems to be ok and the battery is new.I might try the FES see if that’s the issue

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Check connections, detach and reattach the display flat. If that doesn't work, try a different screen.

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