The DMR-ID not displaying is across all DMR HTs at the moment I believe. Ham radio Workbench podcast did an introduction to DMR a couple of weeks back and that’s one of their comments as well. Displaying the call sign assigned to the DMR-ID would be rather useful - perhaps in later versions of Firmware / Brandmeister servers??
If you set up a contact woth a name for a specific DMR-ID, that might display the name instead of the ID - worth trying anyway.
Anyway, I’ve just ordered my RD-5R - it’s not the best DMR HT for sure but probably reasonable to try out DMR and my justification is that my old dual-band FM HT has battery problems (they no longer charge correctly). I managed to find a supplier in Berlin selling at the same price as China - I suspect it’s really a Chinese company with a German fullfilment centre, which happens a lot now.
I wont have it by Saturday unfortunately - probably sometime next week.
Not sure if this is up-to-date world-wide (it looks like he takes manual updates) but this seems like a useful site to find DMR repeaters http://www.cqdmrmap.com/
Nothing shown for ACT as far as I can see: (Checking elsewhere VK1RBM is a DMR-Plus repeater)