[Bug 281218] Quectel LTE MODEM not working anymore

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=281218

            Bug ID: 281218
           Summary: Quectel LTE MODEM not working anymore
           Product: Base System
           Version: 14.1-RELEASE
          Hardware: i386
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: pickone_id@yahoo.com

Created attachment 253285
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=253285&action=edit
SSH AT Commands

Hi!

I am using an intel N100 CPU config, with 16GB ram and 256 SSD, with OPNSense.
The next issue I have it for about 3-4 weeks, after OPNSense released a new
version. They said that the issue it is not from OPNSense, insteand, could be
from FreeBSD, with the recommendation to fire a bug report here.
FreeBSD version 14.1-RELEASE-p3

The issue is that my Quectel EP06-E it is not working anymore. I tried with USB
adapter and directly to Mini PCI port, still not working. This is what I get
into the OPNSense logs:

2024-08-12T14:18:23     Informational   ppp     [opt1_link0] Link: reconnection
attempt 148 in 3 seconds        
2024-08-12T14:18:23     Informational   ppp     [opt1_link0] LCP: Down event    
2024-08-12T14:18:23     Informational   ppp     [opt1_link0] Link: DOWN event   
2024-08-12T14:18:23     Informational   ppp     [opt1_link0] MODEM: chat script
failed  
2024-08-12T14:18:23     Informational   ppp     [opt1_link0] CHAT: The modem is
not responding to "AT" at MomCmd: labeell.

And the attachment is to see what I get with AT commands through SSH.

Any solution to this?

Thank you in advance!

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