Yealink firmware release
Yealink CP935W Firmware 149.87.0.40 & Release Notes
This ROM file (40 MB) is ready to download. Load it through the phone's web interface (Settings → Upgrade) or push it with your provisioning server.
DownloadAbout this firmware release
About the CP935W Firmware 149.87.0.40 & Release Notes
Firmware version 149.87.0.40 and release notes for the Yealink CP935W and CP935W-Base, released April 8, 2026. This copy, last updated by Yealink on April 8, 2026, and you can read it right here or download it.
Before upgrading, check the phone's current firmware under its status menu, read the release notes for known issues, and update a single phone first. On a hosted phone system, firmware is usually pushed through provisioning so every phone updates the same way.
What’s inside
- New features in this release
- Fixed and known issues
- Upgrade notes and compatibility
Phones covered
Yealink phones this firmware release covers
Versions
Other versions of this document
- ROMCP935W 149.87.0.15 - Firmware & Release NoteWithdrawn by YealinkUpdated Oct 15, 2025CP935WCP935W-Base
- ROMCP935W 149.87.0.15 - Firmware & Release NoteDownloadUpdated Oct 15, 2025CP935WCP935W-Base
Related
More Yealink firmware & release notes
- ROMCP935W DDPhone 149.87.0.15 - Firmware & Release NoteDownloadUpdated Oct 15, 2025CP935WCP935W-Base
FAQ
Questions about this document
Quick answers, and The Tech Team™ is a call away if you need more.
Need help with your CP935W?
The Tech Team™ can provision, update and troubleshoot your Yealink phones, and move your office onto smplVoice cloud voice.
Yealink and Yealink product names are trademarks of Yealink Network Technology Co., Ltd. Product information, images and documents are published by Yealink and provided here for reference by smplVoice. Firmware and documents are Yealink’s original, unmodified files.