T-Mobile Needs Band 12 Phones to Also Support VoLTE, E911
Makes Perfect Sense
That said, phones that have band 12 (700) need to have VoLTE capabilities. Otherwise, those phones will show signal but can't make calls. We all know what kind of ruckus that would cause. Getting certified for VoLTE and E911 is a draw out process and everyone involved is finding it easier for the time being (especially the manufacturers) to disable band 12...
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