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The Samsung Galaxy A52 Is a Mid-Tier phone released by Samsung on March 17, 2021.

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Phone and screen working, touchscreen and fingerprint not

Short story: Phone came in contact with some ice tea, screen is working, touchscreen and fingerprint not.

I already tried the standard stuff + replaced the display, but nothing has changed.

My idea: The cable that connects display, mb and usb took some damage.

Could that be the reason?

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@milfie what do you consider "the standard stuff"? Let us know what happened with the ice tea and how you approached tat.

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Can you post pics of the cable you say took some damage?

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@oldturkey03 Well...i went with some friends to the amusement park. Because I didn't want to carry everything in my handy, i put the ice tea and my phonetogether in the backpack. When I checked my phone again, i recogniced the bottle of ice tea wasn't closed completely and about 300 ml were missing. At first, my phone flashed a bit. A few minutes later, it worked comepletely how it should, except for the touchscreen and the fingerprint.

I restarted it about a hundred times, used rice to dry it, used safe mode and completely changed the display, but nothing worked.

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@strongbow

https://imgur.com/PPger50

On the right upper end it looks kinda damaged to me.

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Pic is too blurry I’m afraid. If you think it’s bad then buy a new one, worth a try and cheap enough to buy.

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@milfie sounds to me like the ice tea encounter may actually have shortened things out. Just use the Samsung flowcharts to at least narrow it down

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To find the components you need to check, use this document Schematic and your PDF reader search function

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@milfie Samsung phones always seem to take a hit on the daughter board. I would check on that. Sure, if you think the cable is damaged (How?) replace it as well. The ice tea may cause corrosion if not properly cleaned but would otherwise not damage the cable. My first part is the daughter board.

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@oldturkey03 Ok, good to know. I will check it as well as the cable. Thanks for your advice.

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Ferdi K さん、ありがとうございました!
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