Table of Contents
Summary
- Update Teams Phone Devices to app version 1449/1.0.94.2026047602 or later to ensure reliable Copilot experiences.
- Devices on older versions may face unreliable Copilot behavior during calls after the update deadline.
- This change applies only to Teams Certified Phone Devices.
- No changes to existing Teams Phone device policies are needed, and it does not introduce new Copilot features.
- Administrators should verify device app versions and prepare helpdesk teams for potential Copilot-related issues.
Admin Impact: High
User Impact: Low
Release Start: 24 Apr 2026
Release End: 24 Apr 2026
Services: Teams
Category: Prevent or fix issues
Tags: User Adoption, Admin Action
History
4/22/2026 Item Added to Message Center
Microsoft Message
Introduction
To ensure continued reliability of Copilot experiences on Microsoft Teams Phone Devices, Microsoft recommends updating Teams Phone Devices to app version 1449/1.0.94.2026047602 before April 24, 2026. Devices running earlier versions may experience unreliable Copilot behavior during call transfers and when using in-call Copilot on Teams Certified Phone Devices. This update helps maintain consistent Copilot performance for users during calling workflows.
When this will happen
General Availability (Worldwide): Rollout will begin in late April 2026 and is expected to complete by late April 2026.
How this affects your organization
Who is affected
- Microsoft Teams administrators managing Teams Phone Device update policies
- Users utilizing Copilot during calls on Teams Certified Phone Devices
What will happen
- This change applies to Teams Certified Phone Devices only.
- Devices running versions prior to 1449/1.0.94.2026047602 after April 24, 2026, may experience:
- Unreliable Copilot behavior during call transfers
- Inconsistent in-call Copilot experiences
- No changes to existing Teams Phone device policies are required.
- This update does not introduce new Copilot functionality; it improves reliability of existing Copilot experiences during calls.
What you can do to prepare
- Update Teams Phone Devices to version 1449/1.0.94.2026047602 or later.
- Verify device app versions in Teams Admin Center > Teams Devices > Phones.
- If auto-update is enabled, confirm devices are running version 1449/1.0.94.2026047602 or later.
- Inform helpdesk teams to check device app version first when troubleshooting Copilot-related calling issues after April 24, 2026.
- Update internal support documentation for Teams Phone device troubleshooting guidance.
Compliance considerations
No compliance considerations identified, review as appropriate for your organization.