Thank you again for all your help. I just spent an hour trying to get a screen capture on the Nexus 6--mainly by trying to hold down the power button and the volume down button simultaneously. Did not seem to work (although I did manage to reboot the phone about 5 times
. So, being a long time (40 years) mainframe programmer, I went old tech. Got my phone out and took a picture of my wife's phone. A couple of things that might help. We are using Sprint. When she goes to voicemail it is dialing into what I believe is the Sprint service. It asks 4 times for the pin, then quits. Tapping, holding, etc the keypad button does not bring up the keypad. The keypad does come up when using the phone to dial.
I just noticed that there is another post on this forum that another person is having the problem--and there was a Google update. I'm thinking they messed something up.
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Robert