Several people have reported problems with voice echo on their iPhone 4S during calls. The echo does not occur immediately but instead appears anywhere from 30 seconds-12 minutes into a call. It has been further reported that different headsets produce the same results.
When experiencing the echo, turn the speaker function on and off to get rid of the echo.
Let Apple know by filling out the following form:
Obsessed with tech since the early arrival of A/UX on Apple, Sudz (SK) is responsible for the editorial direction of AppleToolBox. He is based out of Los Angeles, CA.
Sudz specializes in covering all things macOS, having reviewed dozens of OS X and macOS developments over the years.
In a former life, Sudz worked helping Fortune 100 companies with their technology and business transformation aspirations.