While it is possible to install through HAM, it's so much troublesome (at least, in some cases), that I doubt it's worth effort.

I'm quite disappointed by responses given to my question - not the fact that CSSU devs insist on using HAM, that's ok - rather by the fact, that I kindly asked *technical* information about what exactly HAM does differently. freemangordon was closest to provide satisfying answer - talking about "firmware upgrade" - but, still, it's far from pointing out actual differences ("focused on firmware upgrade" may mean everything and nothing).

Of course, it's not problem for me, and if CSSU devs consider this (seriously) "bugging with stupid questions", I can live with that. Still, please do not put into mine (and others) words, that were not used - I haven't asked for support upgrading through FAM. I was just interested in detailed differences in handling such updates between managers.

that said, I'm sure community will fill this gap with reports - I'm "backuped" enough, to "risk" updating CSSU by FAM and report back, for others interested - I'm sure some other people will be happy to report too.

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After installing (visible from "all" categories, *not* user-only) packages that were left behind (apparently, due to missing dependency entries in Tmaemo1, but, whatever...), everything seems to work *fine*. Will report on any issues.