Samsung Galaxy S8 Plus OLED Not Displaying After Drop

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Samsung Galaxy S8 Plus

The larger version of Samsung's flagship phone, the Galaxy S8+. Released in April 2017.

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TJ Collier @tjcollier

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Posted: Jun 29, 2018

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Samsung Galaxy S8 Plus OLED Not Displaying After Drop

A customer brought in an S8+ today that had previously been dropped. The OLED was damaged. He says that it was working for a while but it randomly stopped displaying the other day. I figured that the screen had just died and proceeded with the repair. I have tried three different screen assemblies on his device and I am still not getting anything. The phone is turning on, OK Google is functioning but I'm not getting a display. I have tried the soft reboot, new battery, prox sensor and charging port as well. Any help would be greatly appreciated. Thanks!

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@juax

I did try testing the original screen, I figured that it was most likely board level but I was just grasping at straws to see if anyone was having the same issue. I did inspect the board pretty thoroughly but I couldn't spot any noticeable flaws, but that's board damage for you. Thanks for your reply!

Jun 30, 2018 by TJ Collier

We got some pretty amazing people in this forum. If you're unable to determine the cause I'm sure someone is on here who have the schematics, or whatever, to determine which component is causing the issue.

Jun 30, 2018 by Juax

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Juax @juax

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Posted: Jun 29, 2018

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Not sure if you have, because it was not mentioned, but did you test the original screen? There is a possibility that the board is damaged and may not be providing enough power to the LCD itself.

In this case you will need a board specialist to determine which one is damaged, soldering is required for this. @refectio may be the guy to provide direction or assistance.

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@juax

I did try testing the original screen, I figured that it was most likely board level but I was just grasping at straws to see if anyone was having the same issue. I did inspect the board pretty thoroughly but I couldn't spot any noticeable flaws, but that's board damage for you. Thanks for your reply! — TJ Collier
We got some pretty amazing people in this forum. If you're unable to determine the cause I'm sure someone is on here who have the schematics, or whatever, to determine which component is causing the issue. — Juax