crwdns2934241:0crwdne2934241:0 Lucas Gasparotto

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Make sure the fingerprint sensor is clean and dry

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I did open my S21+ to fix a button but now the fingerprint sensor isn't working, and keeps showing me this message above. I cleaned it up with isopropyl alcohol on each flat cable and board, but the message remains. Any clue about a fix?

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Samsung Galaxy S21 Plus

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open