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: Q1 2026
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 * |
Yealink |
T43U T46U T48U |
108.86.25.16 |
Updated Yealink T4U devices to firmware version 108.86.25.16, enabling Sync DND and Sync contacts. | 3/4/2026 |
3/27/2026 |
Yealink |
T33G T34W |
124.86.25.8 |
Updated Yealink T4U devices to firmware version 108.86.25.16, enabling Sync DND and Sync contacts. | 3/4/2026 |
3/27/2026 |
Yealink |
CP965 |
143.87.25.2 | Updated Yealink CP965 to firmware version 143.87.25.2, including bug fixes. | 2/18/2026 |
2/23/2026 |
Poly |
Trio 8300 |
8.1.7 B |
2/24/2026 |
2/27/2026 |
* Dates subject to change.