This is the journal log of ModemManager:
-- Journal begins at Mon 2021-02-22 21:51:44 CET, ends at Tue 2021-02-23 12:33:31 CET. --
Feb 22 23:31:41 manjaro-arm systemd[1]: Starting Modem Manager...
Feb 22 23:31:41 manjaro-arm ModemManager[3780]: <info> ModemManager (version 1.14.10) starting in system bus...
Feb 22 23:31:42 manjaro-arm systemd[1]: Started Modem Manager.
Feb 22 23:31:45 manjaro-arm ModemManager[3780]: <info> [base-manager] couldn't check support for device '/sys/devices/platform/soc/1c10000.mmc/mmc_host/mmc1/mmc1:0001/mmc1:0001:1': not supported by any plugin
Feb 22 23:31:54 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Opening device with flags 'version-info, proxy'...
Feb 22 23:31:54 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] created endpoint
Feb 22 23:31:54 manjaro-arm ModemManager[3780]: cannot connect to proxy: Could not connect: Connection refused
Feb 22 23:31:54 manjaro-arm ModemManager[3780]: spawning new qmi-proxy (try 1)...
Feb 22 23:31:55 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Checking version info (25 retries)...
Feb 22 23:31:55 manjaro-arm ModemManager[3780]: transaction 0x2 aborted, but message is not abortable
Feb 22 23:31:56 manjaro-arm ModemManager[3780]: transaction 0x3 aborted, but message is not abortable
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] No transaction matched in received message
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] No transaction matched in received message
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] QMI Device supports 30 services:
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] ctl (1.5)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] wds (1.67)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] dms (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] nas (1.25)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] qos (1.12)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] wms (1.10)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] auth (1.3)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] at (1.2)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] voice (2.1)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] cat2 (2.24)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] uim (1.46)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] pbm (1.4)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] test (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] loc (2.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] sar (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] ims (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] csd (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] ts (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] tmd (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] wda (1.16)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] csvt (1.1)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] imsp (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] imsa (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] coex (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] pdc (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] rfrpe (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] dsd (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] unknown [0x2d] (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] unknown [0x30] (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] unknown [0x36] (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: <info> [device /sys/devices/platform/soc/1c1b000.usb/usb3/3-1] creating modem with plugin 'quectel' and '6' ports
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: <info> [base-manager] modem for device '/sys/devices/platform/soc/1c1b000.usb/usb3/3-1' successfully created
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Opening device with flags 'version-info, proxy'...
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] created endpoint
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Checking version info (25 retries)...
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] QMI Device supports 30 services:
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] ctl (1.5)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] wds (1.67)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] dms (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] nas (1.25)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] qos (1.12)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] wms (1.10)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] auth (1.3)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] at (1.2)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] voice (2.1)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] cat2 (2.24)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] uim (1.46)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] pbm (1.4)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] test (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] loc (2.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] sar (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] ims (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] csd (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] ts (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] tmd (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] wda (1.16)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] csvt (1.1)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] imsp (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] imsa (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] coex (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] pdc (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] rfrpe (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] dsd (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] unknown [0x2d] (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] unknown [0x30] (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] unknown [0x36] (1.0)
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Reading expected data format from: /sys/class/net/wwan0/qmi/raw_ip
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Allocating new client ID...
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Registered 'wda' (version 1.16) client with ID '1'
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Writing expected data format to: /sys/class/net/wwan0/qmi/raw_ip
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Reading expected data format from: /sys/class/net/wwan0/qmi/raw_ip
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Allocating new client ID...
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Releasing 'wda' client with flags 'release-cid'...
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Unregistered 'wda' client with ID '1'
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Registered 'dms' (version 1.0) client with ID '1'
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Allocating new client ID...
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Registered 'nas' (version 1.25) client with ID '3'
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Allocating new client ID...
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Registered 'wms' (version 1.10) client with ID '1'
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Allocating new client ID...
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Registered 'uim' (version 1.46) client with ID '2'
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Allocating new client ID...
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Registered 'loc' (version 2.0) client with ID '1'
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Allocating new client ID...
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Registered 'pdc' (version 1.0) client with ID '1'
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Allocating new client ID...
Feb 22 23:31:57 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Registered 'voice' (version 2.1) client with ID '3'
Feb 22 23:31:59 manjaro-arm ModemManager[3780]: <info> [modem0] state changed (unknown -> locked)
Feb 22 23:31:59 manjaro-arm ModemManager[3780]: <warn> [modem0/sim0] couldn't load IMSI: Couldn't read data from UIM: QMI protocol error (82): 'AccessDenied'
Feb 22 23:31:59 manjaro-arm ModemManager[3780]: <warn> [modem0/sim0] couldn't load operator identifier: Couldn't get home network: QMI protocol error (37): 'UimUninitialized'
Feb 22 23:31:59 manjaro-arm ModemManager[3780]: <warn> [modem0/sim0] couldn't load operator name: Couldn't get home network: QMI protocol error (37): 'UimUninitialized'
Feb 22 23:31:59 manjaro-arm ModemManager[3780]: <warn> [modem0] couldn't load list of own numbers: Couldn't get MSISDN: QMI protocol error (37): 'UimUninitialized'
Feb 22 23:32:15 manjaro-arm ModemManager[3780]: <info> [modem0] state changed (locked -> initializing)
Feb 22 23:32:16 manjaro-arm ModemManager[3780]: <info> [base-manager] port ttyUSB0 released by device '/sys/devices/platform/soc/1c1b000.usb/usb3/3-1'
Feb 22 23:32:16 manjaro-arm ModemManager[3780]: <info> [base-manager] port ttyUSB2 released by device '/sys/devices/platform/soc/1c1b000.usb/usb3/3-1'
Feb 22 23:32:16 manjaro-arm ModemManager[3780]: Cannot read from istream: connection broken
Feb 22 23:32:16 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] QMI endpoint hangup: removed
Feb 22 23:32:16 manjaro-arm ModemManager[3780]: <info> [modem0] connection to qmi-proxy for /dev/cdc-wdm0 lost, reprobing
Feb 22 23:32:16 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Releasing 'voice' client with flags 'release-cid'...
Feb 22 23:32:16 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Unregistered 'voice' client with ID '3'
Feb 22 23:32:16 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Releasing 'pdc' client with flags 'release-cid'...
Feb 22 23:32:16 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Unregistered 'pdc' client with ID '1'
Feb 22 23:32:16 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Releasing 'loc' client with flags 'release-cid'...
Feb 22 23:32:16 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Unregistered 'loc' client with ID '1'
Feb 22 23:32:16 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Releasing 'uim' client with flags 'release-cid'...
Feb 22 23:32:16 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Unregistered 'uim' client with ID '2'
Feb 22 23:32:16 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Releasing 'wms' client with flags 'release-cid'...
Feb 22 23:32:16 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Unregistered 'wms' client with ID '1'
Feb 22 23:32:16 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Releasing 'nas' client with flags 'release-cid'...
Feb 22 23:32:16 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Unregistered 'nas' client with ID '3'
Feb 22 23:32:16 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Releasing 'dms' client with flags 'release-cid'...
Feb 22 23:32:16 manjaro-arm ModemManager[3780]: [/dev/cdc-wdm0] Unregistered 'dms' client with ID '1'
Feb 22 23:32:16 manjaro-arm ModemManager[3780]: <info> [base-manager] port ttyUSB3 released by device '/sys/devices/platform/soc/1c1b000.usb/usb3/3-1'
Feb 22 23:32:16 manjaro-arm ModemManager[3780]: <info> [base-manager] port ttyUSB1 released by device '/sys/devices/platform/soc/1c1b000.usb/usb3/3-1'
Feb 22 23:32:16 manjaro-arm ModemManager[3780]: <info> [base-manager] port wwan0 released by device '/sys/devices/platform/soc/1c1b000.usb/usb3/3-1'
Feb 22 23:32:16 manjaro-arm ModemManager[3780]: <info> [base-manager] port cdc-wdm0 released by device '/sys/devices/platform/soc/1c1b000.usb/usb3/3-1'
Feb 22 23:32:28 manjaro-arm ModemManager[3780]: <warn> [modem0] modem couldn't be initialized: Couldn't check unlock status: Couldn't get SIM lock status after 6 retries
Feb 22 23:32:28 manjaro-arm ModemManager[3780]: <warn> [modem0] reinitialization failed: Operation was cancelled
Feb 22 23:38:24 manjaro-arm ModemManager[3780]: <info> caught signal, shutting down...
Feb 22 23:38:24 manjaro-arm ModemManager[3780]: <info> ModemManager is shut down
Feb 22 23:38:24 manjaro-arm systemd[1]: Stopping Modem Manager...
Feb 22 23:38:24 manjaro-arm systemd[1]: ModemManager.service: Succeeded.
Feb 22 23:38:24 manjaro-arm systemd[1]: Stopped Modem Manager.
Any help or pointers in understanding why the unlocking doesn’t work and the modem can’t initialize is appreciated.