For everyone on AT&T, as I am also. Don't be in to big a hurry to get the 6.0 update. I did by using Wugfresh and reverted my N6 all the way back to factory stock 5.0.1 then without a Sim card in started the OTA update process as a stock Google Store nexus it did 5 updates total, 5.1.0, then 5.1.1, then a couple of small updates then the last was 6.0 But since having 6.0 my phone, the phone part, you know the main purpose of this thing, s**ks, I'm missing calls, sometimes the phone never rings, missing voice mails here and there, missing text messages, I'll look at the screen sometimes and there is absolutely no signal, 0 bars. I used my work phone to call my nexus while looking at it, nothing no ring no screen lighting up, and when it does ring it rings on the 3rd incoming ring, in other words, you have one maybe 2 rings to catch a call. I'm sorry I ever updated this phone. And yes I checked all my APN settings are correct.
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