linux - How smartphones get the right APN Settings? -


i wonder how smartphones right apn settings. when in other country.

for example: not possible dial in in netherlands apn when in austria. everytime smartphone finds local apn´s able connect them. how if dont know right apn settings?

i have modem connected raspberry pi , have tried put several sim cards different countries in want use when not in austria. every single connection must give dial program (wvdial) right apn settings make connect. isn´t possible search apn´s in reach , automatically connect them?

greets

there called config-sms witch hidden sms provider sends smartphone.


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