Microsoft Teams: Important updates for Android-based Teams devices – Authentication changes coming soon

Microsoft Teams is updating authentication for Android-based Teams devices to enhance security. Organizations managing these devices must update to specified app versions by December 31, 2025, to avoid service disruption. Key dates include July 31, 2025, and September 30, 2025, for transitioning to modern authentication. If your organization does not manage one or more certified Microsoft Teams Android devices, you can safely ignore this message. Your organization manages one or more certified Microsoft Teams Android devices, such as Teams Phone devices, Teams Panels, Teams Displays, and Teams Rooms on Android (MTRA). To enhance security capabilities such as Continuous Access Evaluation and IP-based conditional access enforcement, Microsoft is transitioning these devices to modern, secure authentication using Entra ID (AAD) based tokens. These changes will impact how devices authenticate to Teams services. This update provides key dates, required versions, and important cautions—especially for tenants using Teams Displays. How this will affect your organization: Once your devices are updated to the app versions listed below, end users will see no change in their Teams experience, while admins will have enhanced security capabilities such as Continuous Access Evaluation and IP-based conditional access enforcement. These updates are required to maintain connectivity and support secure authentication. Minimum required app versions for modern authentication: Teams Phones: 1449/1.0.94.2025020301 Teams Rooms on Android (MTRA): 1449/1.0.96.2025020302 Teams Panels: 1449/1.0.97.2025020502 Teams Displays: To be released When this will happen: July 31, 2025: Devices on supported app versions will automatically switch to modern authentication. Devices on unsupported app versions will continue to work with legacy authentication. NOTE: Teams Displays will be excluded from this milestone. September 30, 2025: All MTR-A devices on minimum app versions will be leveraging modern authentication. Admins should ensure updating their apps to suggested versions by this date. December 31, 2025: All authenticated traffic must use modern authentication. Ensure all Teams Android devices are updated to the versions listed above as soon as they are available and before December 31, 2025, to avoid service disruption. What you need to do to prepare: Ensure all Teams Android devices are updated to the versions in this message as soon as […]

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