Are you using the latest version of RingCentral?
Update your app now to enjoy the latest user experience, enhanced security, and optimal call quality.
Release date: Q3 2025
Please refer to tables below for release notes for firmware updates for specific phone models.
| Vendor | Model | Firmware version | Release Notes | Start firmware rollout * | Firmware rollout completed * |
Mitel |
6800, 6900, and 690 |
6.4 sp3 |
9/11/25 (25.3.2) |
10/6/25 (25.3.2) |
* Dates subject to change.