Exclusive: HTC confirms broken voice calling on flagship One M7

HTC has confirmed to TechRadar that it has found a fault with its One M7, and possibly current flagship One M8, handsets and is working furiously to fix it.The issue was highlighted after some users, having downloaded the recent HTC Service Pack from Google Play, found they couldn't make or take calls. An HTC spokesperson has given us the following statement, confirming the brand is aware of a fault and promised a 'fix will roll out in the coming days':"We are aware that some HTC One M7 (an