Yealink technical note
Recovery Mode on Yealink IP Phones V86
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About this technical note
About the Recovery Mode on Yealink IP Phones V86
A Yealink technical note for the Yealink SIP-T33G and SIP-T33P (18 pages). This is version 86, last updated by Yealink on April 3, 2026, and you can read it right here or download it.
Some of the phones it covers (SIP-T33P) are end of sale or end of life. We still support them, and this document still applies.
SIP-T33P is end of sale. Support options, dates and replacementsWhat’s inside
- Overview
- Getting Started
- Preparing the Firmware and other Resource Files
- Configuring the HTTP Server
- Configuring the TFTP Server
- Connecting the USB Flash Drive to the IP Phone
- Using Recovery Mode and Runing Backup System on Yealink IP Phones
- For Dual System Devices
- Using Recovery Mode on Yealink IP Phones (HTTP Server)
- For SIP Phone Series
- Using Recovery Mode on Yealink IP Phones (TFTP Server)
- For VCS (Video Conferencing System) Series
- For W52P/W56P/W60B Base
- For W80DM/W80B
- For W90DM/W90B
- Using Recovery Mode on Yealink IP Phones (USB Flash Drive)
- For MP54/MP56/MP58/VP59/SIP-T58A/T57W/T54W/ T53W/T53/T48U/T48S/T46U/T46S/T43U/T42U/T42S/T41S/CP920 IP Phones
- For CP960 IP Phones
Phones covered
Yealink phones this technical note covers
Related
More Yealink technical topics
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.