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Yealink firmware release

Yealink W70B Firmware 146.88.0.10 & Release Notes

Firmware version 146.88.0.10 and release notes for the Yealink W70B, W74H and W74P, released August 14, 2026.
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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.

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About 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, W74H and W74P, 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

Phones covered

Yealink phones this firmware release covers

Yealink W70B
W70B
Yealink W74H
W74H
Yealink W74P
W74P

Related

More Yealink firmware & release notes

All firmware & release notes

FAQ

Questions about this document

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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.