please attach your complete syslog.
also attach the output if you run
/lib/udev/nm-modem-probe --verbose --export /dev/ttyXXX0
on both of your devices.
please attach your complete syslog.
also attach the output if you run
/lib/udev/ nm-modem- probe --verbose --export /dev/ttyXXX0
on both of your devices.