I think Samsung is Fraud company we all Bhartiya waste money and Time's 

Does the company provide warranty Bco'z my having sound issue on 16-02-2020 still issue not resolved  and Samsung not cover this issue in under warranty  

mere paas samsung ka ghatiya quality ka S9 phone usme apps ko keise Lock kar sakta hu  or uske Ghatiya OS ko keise downgrade kar sakta hu

Dear All i have purchase new Mobile from Samsung E-Store on 13-02-2020 device received on 15-02-2020 after one day device having Sound-Speaker issue and samsung team not provide support's so i am suggest you please don't purchase any Samsung product'...

How to downgrade Pie