UA D5500 TV upgrade

[toplink]

hi 2 all
i have UA tv model D5500, T-MST5DAAC firmware version 1014.2
i tryed to upgrade to T-MST5DEUC firmware versions 1023, 1025 and 1027
they all failed
any idea how to upgrade it ??

[SnajperTEC]

Hello, same problem here
if you figure anything out lmk!

By the way i think it could be possible by setting up a local server and tricking the TV to think its the official SM server and put a spoofed old firmware there to say v9999