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Old Sep 23, 2015 | 7:23 am
  #1130  
Sant
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Originally Posted by canadiancow
Last I looked into this (which, to be fair, was several years ago), the SIM card has a list of preferred roaming providers and it goes down that list, in order.

So in theory, getting a new SIM card could change the default. T-Mobile can also update this remotely.
Unfortunately, their database isn't useful. Prior to my trip, I called T-Mobile asking them if there was a particular provider I should choose. The agent told me for Ecuador there was only one mobile provider which I soon discovered to be incorrect.
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