Audio cuts, dropouts after Oreo update on S7 Edge

[Android Central Question]

Ever since the update few days ago, audio cuts out in calls , the other party can hear me but I can't . I even ordered a replacement sim and same thing happens... What the deuce has Oreo done?

 

[B. Diddy]

Welcome to Android Central! Have you already tried wiping the cache partition? https://support.t-mobile.com/docs/DOC-28028