** Changed in: libmbim (Ubuntu Jammy)
Status: New => Invalid
** Changed in: libmbim (Ubuntu)
Status: In Progress => Invalid
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https://bugs.launchpad.net/bugs/2014954
Title:
Backport Intel Mutual Authentications - FCC Lock
Status in OEM Priority Project:
Won't Fix
Status in libmbim package in Ubuntu:
Invalid
Status in libmbim source package in Jammy:
Invalid
Status in libmbim source package in Lunar:
Won't Fix
Bug description:
[ Impact ]
There exist no formal API to do the FCC unlock procedure[1] in the
latest version of the modemmanger.
But there is a merged commit[2] that provide this functionality for
intel WWAN cards in the upstream project.
Lenovo have several laptops using the Fibocom WWAN cards (Intel XMM
7560), and Lenovo are struggling to give a decent way to run the FCC
unlock service without this.
Until the device is unlocked, the end users are not able to use the
SIM cards, and some of the affected devices have already been shipped.
The end users now have to go to the Lenovo support website and
download a few scripts and binaries to unlock the device to make their
SIM cards work.
The Lenovo wants this patch to be included in jammy, then they can
provide the FCC unlock service and manage it in OEM-archive, so the
end users can use SIM cards as soon as they receive the laptop.
[ Test Plan ]
OEM enablement engineers and Lenovo engineers will help to test if the
FCC unlock would work on certain laptops with the help of a custom
package[1] provided by Lenovo which contains the FCC unlock script.
[ Where problems could occur ]
This is a completely new feature to support Intel WWAN cards mutal
authentication, which does not affect other existing features.
But the feature itself might have bugs and glitches since it is a
brand new one and is not widely tested by the laptop vendors, still it
is better than nothing.
[ Other Info ]
[1] FCC unlock procedure:
https://modemmanager.org/docs/modemmanager/fcc-unlock/
[2] intel-mutual-authentication: new service, fcc-lock:
https://gitlab.freedesktop.org/mobile-broadband/libmbim/-/merge_requests/157
- when the device is first shipped or comes out of the factory,
it should be protected with a lock till the device reaches
the end user. This FCC lock feature will ensure the device
is secured till its unlocked.
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