<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:dt="uuid:C2F41010-65B3-11d1-A29F-00AA00C14882" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> <meta name="Generator" content="Microsoft Word 15 (filtered medium)"> <style></style> </head> <body lang="DE" link="#2D8DAB" vlink="black" style="word-wrap:break-word"> <div class="WordSection1"> Good afternoon,<o:p></o:p> <o:p> </o:p> I am currently trying to unlock my Quectel RM520N-GL on Linux Debian with the ModemManager (Version 1.20.4).<o:p></o:p> <o:p> </o:p> mmcli -i any --pin=<SIMPIN><o:p></o:p> >> error: couldn't send PIN code to the SIM: 'Timeout was reached'<o:p></o:p> <o:p> </o:p> Runs into a timeout and still manages to unlock the SIM-Card. Afterwards the state changes from “locked” to “registered”.<o:p></o:p> <o:p> </o:p> For debugging, I did grep the journal:<o:p></o:p> <o:p> </o:p> systemd[1]: Starting ModemManager.service - Modem Manager...<o:p></o:p> ModemManager[4418]: <info> ModemManager (version 1.20.4) starting in system bus...<o:p></o:p> systemd[1]: Started ModemManager.service - Modem Manager.<o:p></o:p> ModemManager[4418]: <info> [base-manager] couldn't check support for device '/sys/devices/platform/soc@0/30800000.bus/30be0000.ethernet': not supported by any plugin<o:p></o:p> ModemManager[4418]: <info> [base-manager] couldn't check support for device '/sys/devices/platform/soc@0/33800000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0': not supported by any pl><o:p></o:p> ModemManager[4418]: <info> [device <a href="mailto:/sys/devices/platform/soc@0/32c00000.bus/32e50000.usb/ci_hdrc.1/usb2/2-1/2-1.2"> /sys/devices/platform/soc@0/32c00000.bus/32e50000.usb/ci_hdrc.1/usb2/2-1/2-1.2</a>] creating modem with plugin 'quectel' and '6' ports<o:p></o:p> ModemManager[4418]: <warn> [plugin/quectel] could not grab port ttyUSB2: Cannot add port 'tty/ttyUSB2', unhandled port type<o:p></o:p> ModemManager[4418]: <warn> [plugin/quectel] could not grab port ttyUSB1: Cannot add port 'tty/ttyUSB1', unhandled port type<o:p></o:p> ModemManager[4418]: <warn> [plugin/quectel] could not grab port ttyUSB0: Cannot add port 'tty/ttyUSB0', unhandled port type<o:p></o:p> ModemManager[4418]: <info> [base-manager] modem for device '/sys/devices/platform/soc@0/32c00000.bus/32e50000.usb/ci_hdrc.1/usb2/2-1/2-1.2' successfully created<o:p></o:p> ModemManager[4418]: <info> [modem0] state changed (unknown -> locked)<o:p></o:p> ModemManager[4418]: <warn> [modem0/sim0] couldn't load IMSI: Couldn't read data from UIM: QMI protocol error (82): 'AccessDenied'<o:p></o:p> ModemManager[4418]: <warn> [modem0/sim0] couldn't load operator identifier: Couldn't get home network: QMI protocol error (37): 'UimUninitialized'<o:p></o:p> ModemManager[4418]: <warn> [modem0/sim0] couldn't load operator name: Couldn't get home network: QMI protocol error (37): 'UimUninitialized'<o:p></o:p> ModemManager[4418]: <warn> [modem0/sim0] couldn't load list of emergency numbers: Failed to parse CRSM query result '+CRSM: 148,8,""'<o:p></o:p> ModemManager[4418]: <warn> [modem0/sim0] couldn't load list of preferred networks: Couldn't get preferred networks: QMI protocol error (37): 'UimUninitialized'<o:p></o:p> ModemManager[4418]: <warn> [modem0/sim0] couldn't load GID1: Couldn't read data from UIM: QMI protocol error (82): 'AccessDenied'<o:p></o:p> ModemManager[4418]: <warn> [modem0/sim0] couldn't load GID2: Couldn't read data from UIM: QMI protocol error (82): 'AccessDenied'<o:p></o:p> ModemManager[4418]: <warn> [modem0] couldn't load list of own numbers: Couldn't get MSISDN: QMI protocol error (37): 'UimUninitialized'<o:p></o:p> ModemManager[4418]: <warn> [modem0] error initializing: Modem is currently locked, cannot fully initialize<o:p></o:p> ModemManager[4418]: <info> [modem0] SIM imsi has changed: <none> -> ***************<o:p></o:p> ModemManager[4418]: <info> [device <a href="mailto:/sys/devices/platform/soc@0/32c00000.bus/32e50000.usb/ci_hdrc.1/usb2/2-1/2-1.2"> /sys/devices/platform/soc@0/32c00000.bus/32e50000.usb/ci_hdrc.1/usb2/2-1/2-1.2</a>] creating modem with plugin 'quectel' and '6' ports<o:p></o:p> ModemManager[4418]: <warn> [plugin/quectel] could not grab port ttyUSB2: Cannot add port 'tty/ttyUSB2', unhandled port type<o:p></o:p> ModemManager[4418]: <warn> [plugin/quectel] could not grab port ttyUSB1: Cannot add port 'tty/ttyUSB1', unhandled port type<o:p></o:p> ModemManager[4418]: <warn> [plugin/quectel] could not grab port ttyUSB0: Cannot add port 'tty/ttyUSB0', unhandled port type<o:p></o:p> ModemManager[4418]: <warn> [modem1/sim1] couldn't load list of emergency numbers: Failed to parse CRSM query result '+CRSM: 148,8,""'<o:p></o:p> ModemManager[4418]: <warn> [modem1] couldn't load supported assistance data types: Failed to receive indication with the predicted orbits data source<o:p></o:p> ModemManager[4418]: <info> [modem1] state changed (unknown -> disabled)<o:p></o:p> ModemManager[4418]: <info> [modem1] state changed (disabled -> enabling)<o:p></o:p> ModemManager[4418]: <info> [modem1] power state updated: on<o:p></o:p> ModemManager[4418]: <info> [modem1] state changed (enabling -> enabled)<o:p></o:p> ModemManager[4418]: <info> [modem1] 3GPP registration state changed (unknown -> registering)<o:p></o:p> ModemManager[4418]: <info> [modem1] 3GPP registration state changed (registering -> home)<o:p></o:p> ModemManager[4418]: <info> [modem1] state changed (enabled -> registered)<o:p></o:p> ModemManager[4418]: <warn> [modem0] couldn't load unlock retries: Couldn't peek QMI port<o:p></o:p> <o:p> </o:p> I did also follow the serial communication on /dev/ttyUSB2 Port:<o:p></o:p> <o:p> </o:p> +CPIN: READY<o:p></o:p> +QUSIM: 1<o:p></o:p> +QIND: SMS DONE<o:p></o:p> +QIND: PB DONE<o:p></o:p> <o:p> </o:p> Does someone know the cause of this behavior and how to fix it?<o:p></o:p> It seems to be happening almost every time.<o:p></o:p> <o:p> </o:p> BR<o:p></o:p> Dominik<o:p></o:p> </div> <div>Dominik Nille Technology Innovation Management <img alt="" hspace="0" src="http://assets.balluff.com/JPG_original_size/E-Mail-Footer_Vertrieb_Logo.jpg" align="baseline" border="0"> Balluff GmbH · Schurwaldstrasse 9 · 73765 Neuhausen a.d.F. · Germany Phone +497158173-8020 · Fax +4971585010 · <a href="mailto:Dominik.Nille@balluff.de" style="color: black"> Dominik.Nille@balluff.de</a> · <a href="https://www.balluff.com" target="_blank" style="color: black"> www.balluff.com</a> <a href="https://de-de.facebook.com/balluff.gmbh" target="_blank" style="color: black"><img height="26" border="0" src="https://assets.balluff.com/raw-approved/ic/on/facebook_icon.png" alt="Facebook"></a> <a href="https://www.linkedin.com/company/balluff-gmbh-germany" target="_blank" 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