Because my experience was that most ROMs were based on AOSP/ LineageOS , which supports very few Samsung phones, and no flagships since the 2018 S10.
And even of those, many didn’t support IMS/VoLTE/VoWiFi which made them useless in any geos that didn’t have 3G fallback for voice. You can’t make or receive phone calls.
Can you show an example of one from 3 years ago?
Because my experience was that most ROMs were based on AOSP/ LineageOS , which supports very few Samsung phones, and no flagships since the 2018 S10.
And even of those, many didn’t support IMS/VoLTE/VoWiFi which made them useless in any geos that didn’t have 3G fallback for voice. You can’t make or receive phone calls.