" Hi, can you test it with latest Intune SDK release 20.2.1, also does the app access files at background? if yes then will need to set MaxFileProtectionLevel within the IntuneMAMSettings dictionary to NSFileProtectionCompleteUntilFirstUserAuthentication. https://learn.microsoft.com/en-us/mem/intune/developer/app-sdk-ios-phase3#configure-settings-for-the-intune-app-sdk "
Check here> https://github.com/microsoftconnect/ms-intune-app-sdk-ios/issues/503