Android User

Being on an Android device during a Zoom meeting yesterday, I had to dial in on one of their long-distance phone numbers in order to hear and speak then when I was assigned to a breakout room I couldn't hear nothing from any of the participants except just watching mouths moving. But the whole entire time while I was in the assigned breakout room I could hear others from the main room still. The main room was overriding the room that I was in and on my phone or device. What went wrong?