Yealink VCH51 - Upgrade M400;600 to BYOD;USB Mode; Download Latest Firmware; How to Select Firmware?; Upgrade Path

Part1. Upgrade M400/600 to BYOD/USB mode
Step1: Log in to the web admin page of MeetingEye 400
Check the firmware version and make sure it is the lasted version. If not, click and download firmware：
Download Latest Firmware – 03-03-2021
Standard Version: https://drive.yealink.com:4443/link/38DD9F0E0E56E45893A4E3D7CC2AE1F1
Passcode：manu
Cloud Version：https://drive.yealink.com:4443/link/654F85D7DDC1E222095A0D4162853DB2
Passcode：WpLZ
How to Select firmware?
Features Standard Version Cloud Version
Platform
 YMS Server
 H.323 account/ H323 IP call
 SIP account/ SIP call
 YealinkMeeting
 H.323 IP call
 SIP call
SVC
X √
Contact-LDAP
√ X
Local Recording；
Snapshot；
√ X
Auto Update
X √
Upgrade Path: M400/M600 webpage -> Setting -> Upgrade
 Select Correct firmware and Click “Upgrade All” ，
 Select “Cross-system Upgrade”