Samsung Galaxy A22 5G no sound from speaker, always showing earphone symbol | Solved. 

A client called and said his phone is not ringing nor third party or person on other side is able to hear sound(what he talks), when I checked, it was showing earphone symbol even though the earphone was not connected, I disassembled and saw that there was oxidation inside, this video shows how to repair it in very less expense when service center person asked him for 1500.
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You can buy the tool used in this video by clicking link below:
Opener:
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Suction cup & kit:
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Black Glue:
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Clear Glue:
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Take care and do the reparation on your own risk.
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