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Windows Central Question
Whilst roaming in the U.S. my phone insists on connecting to T-Mobile. Even if I search for and select AT&T it will manually revert to T-Mobile after a couple of minutes. For some reason I can't get a data signal with T-Mobile but I can with AT&T hence the reason to want to force my phone to connect to AT&T.
Note: After I select AT&T the 'Automatically select' option gets ticked and greys out.
Note: After I select AT&T the 'Automatically select' option gets ticked and greys out.