I'm trying to upload a custom logo for T54w.
It is on a Entreprise Version 20.0 Update 3 (Build 659 Alpha)
Documentation says the following: Yealink T29G / T46S / T46U / T54S / T54W, .png, 480*272 and admin console: Format .png, width 480, height 272, bitdepth 24.
Here is my file details...