Mobile provider O2 announced it will be shutting down its 3G services this year, claiming it has become a "relic of a bygone ...
Between the three biggest mobile carriers in the US, here's which one delivers the best (and most consistent) network signal.
Steve Athwal, CEO and Founder at The Big Phone Store, said: "When O2 turns off 3G, phones relying on it will lose mobile data ...
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