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AT&T tries to defend why it shouldn't let you unlock your phone sooner
(www.androidauthority.com)
This is a most excellent place for technology news and articles.
Until you realize that things like wifi calling have to be an at&t phone. Unless they've changed this in the last few years.
What do you mean? Quick Google shows that T-Mobile allowed wireless calling back in 2007.
I didn't mention T-Mobile