SOLVED: Jellyfin App disappeared after Tizen update Samsung TV

[eriksl]

I've had two Tizen updates of my Samsung TV in the last few months. The last one seems to be a major one.

Jellyfin App has gone.

So I tried to install it again, using the instructions. This failed:

gaia erik:~/tizen/java/tools/ide/bin $ ./tizen install -n ~/Downloads/Jellyfin-10.10.z.wgt -t QE55S95CATXXN     
Transferring the package...
Transferred the package: /home/erik/Downloads/Jellyfin-10.10.z.wgt -> /home/owner/share/tmp/sdk_tools/tmp
Installing the package...
--------------------
Platform log view
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install AprZAARz4r.Jellyfin
package_path /home/owner/share/tmp/sdk_tools/tmp/Jellyfin-10.10.z.wgt
app_id[AprZAARz4r.Jellyfin] install start
app_id[AprZAARz4r.Jellyfin] installing[9]
app_id[AprZAARz4r.Jellyfin] installing[19]
app_id[AprZAARz4r.Jellyfin] install failed[118, -12], reason: Check certificate error : :Invalid certificate chain with certificate in signature.:<-3>
spend time for wascmd is [6454]ms
Failed to install Tizen application.
Total time: 00:00:08.772
[1]    1739722 exit 1    ./tizen install -n ~/Downloads/Jellyfin-10.10.z.wgt -t QE55S95CATXXN

"Google" says this indicates a version of the app / package is still installed. Ok, so I tried to uninstall it. Nowhere to be found on the TV. Sdb has an "uninstall" option, but needs a "package id". I am lost as where to find that.

Can anybody help here? Make the original version of the app appear again? Or install the new version over the existing version? Or remove the old version? Other options (besides a sfactory reset).

I've done a search command on the site here, but it seems this hasn't been mentioned before.

Thanks!