Yealink firmware release
Yealink W70B Firmware 146.88.0.10 & Release Notes
This ROM file (22 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 W70B Firmware 146.88.0.10 & Release Notes
Firmware version 146.88.0.10 and release notes for the Yealink W70B, W73H and W73P, released August 14, 2026. This copy, last updated by Yealink on August 14, 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
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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.