Specification updated.
<https://wiki.ubuntu.com/Networking?action=diff&rev2=289&rev1=288>
Following Alfonso's and Tony's feedback, the rule no longer includes
signal strength, roaming, or recalculating. It still does include
locked/unlocked and 4G/3G/worse.
** Changed in: ubuntu-ux
Status: In Progress => Fix Committed
** Description changed:
Our current implementation of SIM selection for mobile data is currently
( as of RTM #94 ) non-deterministic.
If two SIMs are installed in the phone at first boot ofono will self-
power the ConnectionManager interfaces for both modems which results in
the 'Powered' property of both being set to 'true'. Only one of the
two will attach to the network however, and if both SIMs are unlocked,
this is usually the second slot.
Note, if the second SIM is locked, then the first SIM is used for mobile
data.
The cellular system settings uses the 'Powered' property to choose which
SIM is selected, so the current behavior is clearly broken.
- It was suggested that we should change ofono to not self-power it's
- ConnectionManager interface, and instead add a wizard page that allows
- the user to choose which SIM to use for mobile data.
+ <https://wiki.ubuntu.com/Networking#cellular-mobile>: "On a dual-SIM
+ phone, “Cellular data:” should instead be radio options for “Off” and
+ each SIM. After first setup and SIM unlock prompt (if any), this setting
+ should be set by default to the only unlocked SIM if there is only one,
+ otherwise the only 4G SIM if there is only one, otherwise the only 3G
+ SIM if there is only one, otherwise the first SIM."
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You received this bug notification because you are a member of Ubuntu
Phonedations bugs, which is subscribed to ofono in Ubuntu.
https://bugs.launchpad.net/bugs/1379412
Title:
SIM selection for mobile data is non-deterministic
Status in Canonical System Image:
Incomplete
Status in Ubuntu UX:
Fix Committed
Status in ofono package in Ubuntu:
Confirmed
Status in ubuntu-system-settings package in Ubuntu:
Confirmed
Status in ubuntu-system-settings package in Ubuntu RTM:
Confirmed
Bug description:
Our current implementation of SIM selection for mobile data is
currently ( as of RTM #94 ) non-deterministic.
If two SIMs are installed in the phone at first boot ofono will self-
power the ConnectionManager interfaces for both modems which results
in the 'Powered' property of both being set to 'true'. Only one of
the two will attach to the network however, and if both SIMs are
unlocked, this is usually the second slot.
Note, if the second SIM is locked, then the first SIM is used for
mobile data.
The cellular system settings uses the 'Powered' property to choose
which SIM is selected, so the current behavior is clearly broken.
<https://wiki.ubuntu.com/Networking#cellular-mobile>: "On a dual-SIM
phone, “Cellular data:” should instead be radio options for “Off” and
each SIM. After first setup and SIM unlock prompt (if any), this
setting should be set by default to the only unlocked SIM if there is
only one, otherwise the only 4G SIM if there is only one, otherwise
the only 3G SIM if there is only one, otherwise the first SIM."
To manage notifications about this bug go to:
https://bugs.launchpad.net/canonical-devices-system-image/+bug/1379412/+subscriptions
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