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[Seth <seth.ciango@xxxxxxxxx>]

I have created a video and log file to demonstrate some of the behavior.

Step 1: Notice "No Network" at dialer screen for "SIM 2 AT&T." "SIM 1 Cricket" shows connected
Step 2: Visually verify connections
Step 3: Select SIM 2 AT&T at the dialer screen
Step 4: Successfully dial the US Naval Observatory Time Announcer to verify connection to AT&T network
Step 5: Hang up
Step 6: Visually verify that "No Network" is still displayed for "SIM 2 AT&T"

This happens no matter which SIM card is in which slot. In this
instance, AT&T was not showing service. However, Cricket and T-Mobile
will exhibit the same behavior of "No Network" yet successfully make
phone calls.

** Attachment added: "Log File"
   https://bugs.launchpad.net/ubuntu/+source/ofono/+bug/1592232/+attachment/4714451/+files/application-legacy-dialer-app.log

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https://bugs.launchpad.net/bugs/1592232

Title:
  USA: Meizu Pro 5 changes from cellular carrier to "Denied" (AT&T and
  T-Mobile)

Status in ofono package in Ubuntu:
  Confirmed

Bug description:
  current build number: 102
  device name: turbo
  channel: ubuntu-touch/rc-proposed/meizu.en
  last update: 2016-06-13 17:24:38
  version version: 102
  version ubuntu: 20160611
  version device: 20160531-61c5e72
  version custom: 20160504-975-19-6

  
  While walking around outside, signal strength goes from full bars to "Denied" or "Unavailable." This occurs with one SIM card in SIM Slot One and the second slot empty. I have noticed the behavior with both the US provider T-Mobile and AT&T. This will occur while driving as well. Sometimes, the phone will have to be restarted before signal bars are displayed again. However, restarting does not always fix it. This occurs both in Los Angeles, CA and Washington, DC as well as other major cities. If stationary, I can expect reasonable speeds and reliable service all day without interruption.

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