Yealink firmware release
Yealink SIP VP-T49G Firmware 51.80.0.100 & Release Notes
Yealink has withdrawn this firmware release from its download servers. If you still need it (for example to match firmware across a fleet of phones), The Tech Team™ can help you find a copy or recommend the right current firmware.
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About the SIP VP-T49G Firmware 51.80.0.100 & Release Notes
Firmware version 51.80.0.100 and release notes for the Yealink SIP VP-T49G, released December 29, 2025. This copy, last updated by Yealink on December 29, 2025, 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.
The SIP VP-T49G has been discontinued by Yealink, but it's still widely used, and this document is still the reference for setting it up. The Tech Team™ supports end-of-life Yealink phones and can help you plan a replacement when you're ready.
SIP VP-T49G is end of life. Support options, dates and replacementsWhat’s inside
- New features in this release
- Fixed and known issues
- Upgrade notes and compatibility
Phones covered
Yealink phones this firmware release covers
Related
More Yealink firmware & release notes
- PDFSIP VP-T49G(VCSVersion) 51.25.0.15 - FirmwareWithdrawn by YealinkUpdated Nov 3, 2025SIP VP-T49G
- ROMSIP VP-T49G(VCSVersion) 51.25.0.15 - Release NoteWithdrawn by YealinkUpdated Nov 3, 2025SIP VP-T49G
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.