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They can put default APN configurations in the SIM card that (by default) would have different fares for mobile usage and tethered/hotspot usage. They cannot bl
by bonzini 6y ago
They can put default APN configurations in the SIM card that (by default) would have different fares for mobile usage and tethered/hotspot usage. They cannot block you from changing the configuration, but I think in theory they could terminate the contract if you did so. In practice 99% people got used to buying both a "computer SIM" (which is typically sold with a cheap Huawei USB modem) and a "phone SIM", so the providers that do differentiate that way don't bother going after violations.