Did you take photos of the before and after? If you can open it again and show clear photos of the board and cable components we can attempt to analyze and see where the issues are.
Water damage can be severe, especially the time frame, and what you did to the device from time of taking out of the water to actually opening the device.
If you attempted to run power/current through the device before cleaning you could have damaged the board, or the supplies you used to clean may not be as effective or have worsen the damage.