27.6 MB I highly doubt that is every telcos call server and sip settings etc, but if it is, then Samsung or Pixel or whoever could load them all in but they choose not to
Let's take the latest Samsung S26 for example they have 4 variants SM-S942B, SM-S942U1, SM-S942N, SM-S9420 all exactly the same phone, all with a completely different set of VoLTE profiles depending on market served, Samsung is choosing to do this, making roaming, and inter compatibility a complete nightmare
Can't blame the telcos for any of that carry on.
It is indeed that small - taking Spark as an example:
Carrier-specific config, i.e. Emergency Mobile Alerts, 111 Emergency Location, MMS, Voicemail, etc. - 2 KB
Radio-specific config at a carrier level, i.e. IMS (including VoLTE and Wi-Fi Calling), Roaming, 5G, eSIM Transfer, Satellite - 6 KB
I can't really understand why Samsung uses that distribution method. Apple does have different hardware variants globally for their iPhones but this is to support different bands, mmWave (or not) and SIM/eSIM configurations. But the carrier profiles are global, i.e. the IMS server used for Spark doesn't change depending on which model you buy, but the 5G settings may.
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