According to this link Mo Versi states...
I heard you all on M7 5.1 for Carrier versions. Many of the fixes are already in our current SW, but understand your concerns. Stay tuned.
— Mo Versi (@moversi) March 20, 2015
HTC One (M7) may still get Android 5.1 Lollipop update - AndroidPIT
I heard you all on M7 5.1 for Carrier versions. Many of the fixes are already in our current SW, but understand your concerns. Stay tuned.
— Mo Versi (@moversi) March 20, 2015
HTC One (M7) may still get Android 5.1 Lollipop update - AndroidPIT
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