ANN: ModemManager 1.16.6 released

Aleksander Morgado aleksander at
Sun Jun 6 13:54:20 UTC 2021

Hey hey,

This is the third bugfix release in the 1.16.x series, built from the mm-1-16 branch.

ModemManager 1.16.6

  * Build:
    ** Require libqmi >= 1.28.6 (for the optional QMI support).
    ** Fix error with GCC 11 and -Wincompatible-pointer-types.
    ** Fix warning with GCC 11 and -Wmaybe-uninitialized.

  * QMI:
    ** Increased device open timeout to 45s.
    ** Added support to handle transfer-route messages.

  * Base manager:
    ** Added support for Qualcomm based PCI devices in the new WWAN subsystem in
       kernel 5.13.
    ** Fix segfault on rare conditions when ports reported don't have a proper
       subsystem or name.
    ** Fix segfault when trying to create device id after device is already gone.

  * plugins:
    ** foxconn: added support for the T99W175 module.
    ** foxconn: fix segfault when attempting to use parent location support.
    ** quectel: ignore QLWURC URCs.

  * Several other minor improvements and fixes.


About ModemManager:

Download here:

Verify it:
     $ sha256sum ModemManager-1.16.6.tar.xz
     2a90b6260f66d3135609d62667ada73416694d717e7fd9b73223e3703a499617  ModemManager-1.16.6.tar.xz
     $ gpg --verify ModemManager-1.16.6.tar.xz.asc ModemManager-1.16.6.tar.xz

APIs and manpages here:

Please report bugs either to:
     modemmanager-devel at

Or to gitlab:


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