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The Samsung Galaxy S4, model i9505, features a 13-megapixel rear camera, and a 5-inch 1080p display.

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No Sound from known-good external speaker, after coffer spill

Coffee cup turned over. Beverage meandered over to cell lying on the table.

Dried it, then made an amateur mistake; tried to call friend's cell. Buzzing. Hung up, put cell in my pocket, whence it commenced with a vigorous buzzing sound. Removed cell from pocket and powered down.

Took it to tech who instructed the rice maneuver.

Several days; no sound from external speaker.

Samsung sent it back to me - not a manufacturer's defect.

Neglected to mention that I'd previously swapped-out external speaker module with new one which I'd purchased through Amazon.

Question, now: What circuitry do I need to look at/swap-out ?

Answer this question I have this problem too

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Probably the main board unfortunately sounds like you fried the amp on the main board.

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This might not be of much use since, like you said, making a call from it at that point was a bad idea, but have you tried simply taking the phone apart and using 90+% Alcohol and a toothbrush to clean the mainboard and connections? This solves most issues with liquid damage. That is if you didn't burn something out using it.

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Joe will be eternally grateful.
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