Recently we have received lots of complaint
about this issue.
It may cause by the Google ads.
To locate and turn off the problematic content,
recording the process as below will be helpful:
Open imo > Make a call > Hang up the call
> Display ads > Close ads.
Then submit the video on Google Drive and
share us the link in feedback center.
*You may record your screen with system
in-built or third-party screen recording app.
We will review your video directly and follow up.
Thank you for your assistance.🤗