Fixing "Corporate SSL certificate is untrusted" - Power BI
When signing in to the Android mobile app for Microsoft Power BI, you might see the message, "Could not authenticate because your corporate SSL certificate is untrusted by this device. Contact your company IT admin."
What you need to do usually depends on the operating system on your Android device, but there are a couple of other issues that can cause this error.
Google Chrome version
The Google Chrome app on your device might need updating. Install the latest version of the Google Chrome app.
Time-zone settings on your device might be wrong.
Go to Settings > System > Date and time to check them.
Custom authentication server
If you're using a custom authentication server, the SSL certificate in the corporate authentication server might not be valid. Work with your organization's IT to test the corporate authentication server configuration, by following the guidance in this article.