Water damage screen bad working touch

my a71 accidentally fell into the water for a few hours, I opened it and in addition to some vert small residual water I found nothing, the indicator under the SIM slot is white, but there is a problem The screen works perfectly except the touchscreen glass, soon I'll go and try with traditional rice, can you tell me if buying a new screen the problem will be solved? , Although I have carefully checked every single piece, I am still afraid that there may be some problem related to the motherboard or in any case the charging module where the screen is connected.

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