Help with 4G card - can't get any modem to show up

Oct 13 18:19:39 uConsole systemd[1]: Starting Modem Manager...
Oct 13 18:19:39 uConsole ModemManager[25207]: <info>  ModemManager (version 1.14.12) starting in system bus...
Oct 13 18:19:39 uConsole systemd[1]: Started Modem Manager.
Oct 13 18:19:41 uConsole ModemManager[25207]: <warn>  [ttyUSB3/at] failed to open serial device
Oct 13 18:19:41 uConsole ModemManager[25207]: <warn>  [plugin-manager] task 1,ttyUSB3: error when checking support with plugin 'simtech': (tty/ttyUSB3) failed to open port: Could not lock serial device ttyUSB3>Oct 13 18:19:42 uConsole ModemManager[25207]: <info>  [base-manager] couldn't check support for device '/sys/devices/platform/soc/fe980000.usb/usb1/1-1/1-1.1': not supported by any plugin
Oct 13 18:19:42 uConsole ModemManager[25207]: <info>  [device /sys/devices/platform/soc/fe980000.usb/usb1/1-1/1-1.3] creating modem with plugin 'simtech' and '5' ports
Oct 13 18:19:42 uConsole ModemManager[25207]: <warn>  [plugin/simtech] could not grab port ttyUSB3: Cannot add port 'tty/ttyUSB3', unhandled serial type
Oct 13 18:19:42 uConsole ModemManager[25207]: <info>  [base-manager] modem for device '/sys/devices/platform/soc/fe980000.usb/usb1/1-1/1-1.3' successfully created
Oct 13 18:19:42 uConsole ModemManager[25207]: <info>  [base-manager] couldn't check support for device '/sys/devices/platform/scb/fd580000.ethernet': not supported by any plugin
Oct 13 18:19:42 uConsole ModemManager[25207]: <info>  [base-manager] couldn't check support for device '/sys/devices/platform/soc/fe300000.mmcnr/mmc_host/mmc1/mmc1:0001/mmc1:0001:1': not supported by any pluginOct 13 18:19:42 uConsole ModemManager[25207]: <warn>  [modem0/sim0] couldn't load operator name: Failed to parse CRSM query result '+CRSM: 106,130,""'
Oct 13 18:19:42 uConsole ModemManager[25207]: <warn>  [modem0] couldn't load current allowed/preferred modes: Failed to parse the acquisition order response: '+CNAOP: 7,9,5,3,2,4'
Oct 13 18:19:43 uConsole ModemManager[25207]: <info>  [modem0] state changed (unknown -> disabled)
Oct 13 18:19:43 uConsole ModemManager[25207]: <info>  [modem0] state changed (disabled -> enabling)
Oct 13 18:19:44 uConsole ModemManager[25207]: <info>  [modem0] 3GPP registration state changed (unknown -> idle)
Oct 13 18:19:44 uConsole ModemManager[25207]: <info>  [modem0] state changed (enabling -> enabled)
Oct 13 18:20:43 uConsole ModemManager[25207]: <info>  [modem0] 3GPP registration state changed (idle -> searching)
Oct 13 18:20:43 uConsole ModemManager[25207]: <info>  [modem0] state changed (enabled -> searching)
Oct 13 18:23:02 uConsole ModemManager[25207]: <info>  [modem0] 3GPP registration state changed (searching -> idle)
Oct 13 18:23:02 uConsole ModemManager[25207]: <info>  [modem0] state changed (searching -> enabled)
Oct 13 18:23:25 uConsole ModemManager[25207]: <info>  [modem0] simple connect started...
Oct 13 18:23:25 uConsole ModemManager[25207]: <info>  [modem0] simple connect state (4/8): wait to get fully enabled
Oct 13 18:23:25 uConsole ModemManager[25207]: <info>  [modem0] simple connect state (5/8): register
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