The mic is fine, the speaker is fine it is on loudspeaker mode. But its just when you put it next to your ear, the earpiece is super super quiet and will probably need replacing. The item "Samsung Galaxy S9 SM-G965F/DS 6.2inch 128GB 6GB RAM (Unlocked) Smartph" is in sale since Saturday, April 10, 2021. This item is in the category "Mobile Phones & Communication\Mobile & Smart Phones". The seller is "shizzymeister" and is located in Luton. This item can be shipped worldwide.