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[Bug 1567069] Re: Wrong APN selected so MMS stopped working

 

Re-tested krillin with stable #27 ( OTA-8 ), and got the exact same
behavior.  Also went much further back to stable #21 ( almost a year-to-
the-date ) and same behavior, ATT WAP is chosen yet again.

The only difference between our devices is that you have a non-working
T-Mobile SIM present, and I don't, but that really should make no
difference in the ordering of NM's connection attempts for a single
SIM/modem.

The contexts are read from ofono in order ( context1, context2, context3
), and then NM always seems to work it's way through the list in reverse
order ( ie. it always tries context3 aka ATT WAP first ).

It could be that ATT WAP was always failing to connect for you, thus you
were always ending up with context2 ( ATT Phone ) as the working APN,
and that for some reason ATT WAP now works?  No idea, but the NM still
appears to be working the same across multiple versions.

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https://bugs.launchpad.net/bugs/1567069

Title:
  Wrong APN selected so MMS stopped working

Status in network-manager package in Ubuntu:
  Incomplete
Status in ofono package in Ubuntu:
  Incomplete

Bug description:
  On two phones connected to AT&T, got recent rc-proposed updates, at some point between 3/30 and 4/6 the phone started to select the wrong APN, one which did not support MMS only internet. These phones have worked with MMS reliably for over a year.
  Rebooting the phone does not fix it.
  One phone has been just getting updates for a year the other I had flashed last week.

  Explicitly selecting the correct preferred APN makes them work again.

  My concern is something changed in the logic or database on the device
  to change the behavior.

  Krillin rc-proposed r306
  Arale rc-proposed r299

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References