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Samsung's flagship phone, the Galaxy S8. Released in April 2017.

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Screen flickers and flashes on power on

I am learning from my mistakes here!

I acquired a water-damaged S8 and want to get it back to normal operation.

The device wasn’t working at all for a couple of weeks and then started to turn on but would power down a few minutes later after reporting a moisture problem.

I took it apart and removed the circuit boards, cleaned them up with alcohol and one of those inter-dental brush. Put it back together, hit the power button and got the crazy screen that is shown in the youtube video below. It doesn’t respond to doing a hard reset via holding the volume down/power buttons, or the vol up/bixby/power buttons.

Does anyone have any suggestions as to how to proceed?

https://youtu.be/0nEoeooLRKE

 


Answer this question I have this problem too

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You will never get this phone to operate normally or reliably. Repair shops don't take water damaged devices except to retrieve data only for this exact reason.

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Geoff Kayum will be eternally grateful.
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