The 8086 unlock script is a merge request in the modemmanager git
https://gitlab.freedesktop.org/mobile-
broadband/ModemManager/-/merge_requests/1141
The "PORT open refused" is still here, even with latest git modemamanger
From the bug reports, instead to correct ModemManager they want to hide
Thank you for your bug report. There is currently no active maintainer
for modemmanager in Ubuntu. You might have a better chance getting
someone to respond to your issue by contacting directly upstream on
https://gitlab.freedesktop.org/mobile-broadband/ModemManager/issues
--
You received this bu
3 months later, no answer at all. The modem still does not works. With
latest oem kernel, I have always the same errors.
[ 216.977801] iosm :57:00.0: ch[6]: confused phase 3
[ 266.252153] iosm :57:00.0: PORT open refused, phase A-CD_READY
[ 266.252617] iosm :57:00.0: PORT open refus