Yealink T54W with an EXP50
Situation: The EXP50 displays "Welcome Loading...Please Wait" and never does anything. I did a Google search and found that it is a firmware issue. I uploaded firmware 96.86.254.850, and the EXP50 wo...
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We had this happen as well. We have 2 PBX/locations that had working phones with the add-on.
I did the same thing as you and manually upgraded the firmware, it worked for a second then GoTo pushed the firmware back.
Strangely, if I swapped out the T54w with one I had in the shelf it came up and everything worked.
