I've received a reply.
Regarding your suggestion, @RolfVonHessen , it seems as though the developers would have to fundamentally change the entire system to provide that kind of additional info to 'no update available' messaging - and they don't have any plans to do that.
(I agree it'd be really good if something like that could be implemented though. )
Regarding CSC impact on updates, I've been advised:
Say "Hello!" to the Community in The Introduce Yourself Thread.
- CSC's for phones purchased from a carrier/network cannot be changed.
- Changing the CSC for an open market phone can potentially affect receiving an update as update scenarios/rollouts are prepared for individual CSC's (to cater for differences in requirements, settings etc.)
@AntS: Thank you very much !
@doesitmatter: Lets bury the hatchet, OK ? Should I have offended you in any way I hereby sincerely apologize.
So I followed the suggestion of a friendly person and had a look into the xda-forums :
"Yes i`ve solved it.
I did not get the updates because phone was bought from italy and when i inserted the romanian sim card, the firmware from italy was different from the firmware from romania."
I have a TPA Galaxy A51 that has not received an update yet. If I live in the US will I be able to update if an update for that region comes out? It's unlocked with no sim card.