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Repair guides and disassembly information for the Samsung Galaxy A51 Android smartphone. Released in January of 2020.

How to caliber finger print sensor

Phone finger prints aren't working a pop up notification indicates need to calibrate sensor how do I fix this

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Has it had any new parts fitted? Any form of damage?

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The screen was just replaced recently

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Check that --> How to Calibrate an Optical Fingerprint Sensor

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KB NITHIN will be eternally grateful.
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