# \#le910c4 **URL:** https://community.sixfab.com/tag/le910c4/69.md [Latest](https://community.sixfab.com/latest.md) · [Categories](https://community.sixfab.com/categories.md) · [Tags](https://community.sixfab.com/tags.md) --- ## [Telit LE910C4-EU USB audio voice latency around 480 ms](https://community.sixfab.com/t/telit-le910c4-eu-usb-audio-voice-latency-around-480-ms/3544)
**Author:** [@hoffman](https://community.sixfab.com/u/hoffman)\ **Replies:** 4\ **Last updated:** [May 4, 2026, 6:38pm UTC](https://community.sixfab.com/t/telit-le910c4-eu-usb-audio-voice-latency-around-480-ms/3544 "2026-05-04T18:38:24Z")
Hardware: Module: Telit LE910C4-EU (firmware 25.21.670 \[Mar 04 2021\]) Raspberry Pi model: Tested on Raspberry Pi and also on another Linux computer directly connected to the Sixfab/Telit module Connection method… --- ## [Help switching Telit LE910C4-EU from QMI/MBIM mode back to AT command mode](https://community.sixfab.com/t/help-switching-telit-le910c4-eu-from-qmi-mbim-mode-back-to-at-command-mode/3438)
**Author:** [@FrogHead](https://community.sixfab.com/u/FrogHead)\ **Replies:** 13\ **Last updated:** [July 3, 2025, 4:43pm UTC](https://community.sixfab.com/t/help-switching-telit-le910c4-eu-from-qmi-mbim-mode-back-to-at-command-mode/3438 "2025-07-03T16:43:46Z")
Hi all, I’m stuck with my Sixfab 4G LTE HAT modem currently running in QMI/MBIM mode — I only see /dev/ttyACM0, but no /dev/ttyUSBx devices. Because of this, when I try using commands like atcom AT, I get: \[ERR\] Cou… --- ## [Firmware update linux](https://community.sixfab.com/t/firmware-update-linux/3411)
**Author:** [@jp.moeller](https://community.sixfab.com/u/jp.moeller)\ **Replies:** 1\ **Last updated:** [April 11, 2025, 6:57am UTC](https://community.sixfab.com/t/firmware-update-linux/3411 "2025-04-11T06:57:50Z")
Hi Is there any way to update the firmware on a linux system (Raspi4, debian bookworm)? On the Telit site I only find Windows executable or instrutions for Windows. --- ## [Error installing Telit LE910x using ECM](https://community.sixfab.com/t/error-installing-telit-le910x-using-ecm/909)
**Author:** [@adam.simms](https://community.sixfab.com/u/adam.simms)\ **Replies:** 15\ **Last updated:** [January 15, 2025, 6:11am UTC](https://community.sixfab.com/t/error-installing-telit-le910x-using-ecm/909 "2025-01-15T06:11:07Z")
I was following the steps listed here: Internet Connection with Twilio Super SIM, Telit LE910x and Sixfab Base HAT using ECM When it asks to enter AT#USBCFG=4 I accidentally entered AT#USBCFG=3. Now when I try to enter… --- ## [Telit LE910C4-NF Modem Issues on Bell Network](https://community.sixfab.com/t/telit-le910c4-nf-modem-issues-on-bell-network/3193)
**Author:** [@ahmudry](https://community.sixfab.com/u/ahmudry)\ **Replies:** 1\ **Last updated:** [August 19, 2024, 8:38am UTC](https://community.sixfab.com/t/telit-le910c4-nf-modem-issues-on-bell-network/3193 "2024-08-19T08:38:33Z")
Hello I am trying to get a SixFab 3/4G.LTE Hat with a Telit 910C4-NF modem to connect with the Bell LTE network in Canada. The card and modem were used by a colleague of mine in the US on a different network, but I am … --- ## [Cannot ping or access Internet on wwan0 (LTE Base Hat + Boost Mobile + Telit LE910C4-NF in ECM Mode)](https://community.sixfab.com/t/cannot-ping-or-access-internet-on-wwan0-lte-base-hat-boost-mobile-telit-le910c4-nf-in-ecm-mode/2854)
**Author:** [@Tornadocraver](https://community.sixfab.com/u/Tornadocraver)\ **Replies:** 15\ **Last updated:** [March 1, 2024, 10:21pm UTC](https://community.sixfab.com/t/cannot-ping-or-access-internet-on-wwan0-lte-base-hat-boost-mobile-telit-le910c4-nf-in-ecm-mode/2854 "2024-03-01T22:21:24Z")
Hello, I have been attempting to use the LTE Base Hat on a Raspberry Pi 3 to set up a hotspot by following this guide: Setting up a Raspberry Pi as an LTE Hotspot The cell module is the Telit LE910C4-NF, and I able to … --- ## [TELIT LE910C4 does not keep APN settings after reboot](https://community.sixfab.com/t/telit-le910c4-does-not-keep-apn-settings-after-reboot/2932)
**Author:** [@10vladut](https://community.sixfab.com/u/10vladut)\ **Replies:** 10\ **Last updated:** [February 28, 2024, 10:47am UTC](https://community.sixfab.com/t/telit-le910c4-does-not-keep-apn-settings-after-reboot/2932 "2024-02-28T10:47:21Z")
HELLO, I am trying to set the APN in the minicom using AT+CGDCONT=4,“IPV4V6”, “live.vodafone.com” I use AT#REBOOT and all works fine. When I check AT+CGDCONT? +CGDCONT: 1, “IPV4V6”,“de1.super”,0,0,0,0 +CGDCONT: 2, “I… --- ## [Unable to setup QMI on Telit LE910C4-EU](https://community.sixfab.com/t/unable-to-setup-qmi-on-telit-le910c4-eu/2928)
**Author:** [@10vladut](https://community.sixfab.com/u/10vladut)\ **Replies:** 3\ **Last updated:** [February 26, 2024, 8:09am UTC](https://community.sixfab.com/t/unable-to-setup-qmi-on-telit-le910c4-eu/2928 "2024-02-26T08:09:23Z")
Hello! I’ve been trying to configure the Telit LE910C4 EU module on my Raspberry Pi 3b+ according to: Setting up a data connection over QMI interface using libqmi When I check for AT#USBCFG? I receive the value equal t… --- ## [LE910C4-NF USB issues](https://community.sixfab.com/t/le910c4-nf-usb-issues/2909)
**Author:** [@ralph](https://community.sixfab.com/u/ralph)\ **Replies:** 5\ **Last updated:** [February 9, 2024, 8:41am UTC](https://community.sixfab.com/t/le910c4-nf-usb-issues/2909 "2024-02-09T08:41:35Z")
I bought a SixFab carrier board with the LE910C4-NF card on it about 2 years ago, and I’m finally getting around to installing it and putting it into production. I’ve used both a Google Fi data-only SIM, and the SixFab S… --- ## [Telit LE910/C4 (QMI protocol error (14): 'CallFailed' and call end reason (3): generic-no-service)](https://community.sixfab.com/t/telit-le910-c4-qmi-protocol-error-14-callfailed-and-call-end-reason-3-generic-no-service/2898)
**Author:** [@patrickwilliamson797](https://community.sixfab.com/u/patrickwilliamson797)\ **Replies:** 6\ **Last updated:** [January 29, 2024, 3:07pm UTC](https://community.sixfab.com/t/telit-le910-c4-qmi-protocol-error-14-callfailed-and-call-end-reason-3-generic-no-service/2898 "2024-01-29T15:07:15Z")
I am attempting to setup a Pi4 for mobile use. Attempts to connect to network with Telit LE910/C4 on a RaspPi4 are unsuccessful. Setup info and AT commands are listed. MagnumPi@MagnumPi:~ $ cat /etc/os-release PRETTY\_N… --- ## [Can the Telit LE910C1/C4 be used with Asterisk?](https://community.sixfab.com/t/can-the-telit-le910c1-c4-be-used-with-asterisk/2752)
**Author:** [@denisdee](https://community.sixfab.com/u/denisdee)\ **Replies:** 0\ **Last updated:** [September 27, 2023, 10:46am UTC](https://community.sixfab.com/t/can-the-telit-le910c1-c4-be-used-with-asterisk/2752 "2023-09-27T10:46:22Z")
Hi there , A while back I discovered it was possible (tricky but feasible) to use Asterisk with some 3G dongles. Does the same apply to the Telit LE910C1/C4 module? Has anyone tried to actually get the Rpi with this mo… --- ## [The minicom locks up](https://community.sixfab.com/t/the-minicom-locks-up/2719)
**Author:** [@superfan321](https://community.sixfab.com/u/superfan321)\ **Replies:** 1\ **Last updated:** [September 7, 2023, 8:01pm UTC](https://community.sixfab.com/t/the-minicom-locks-up/2719 "2023-09-07T20:01:08Z")
I can usually get one or two commands (AT commands) sent and then I get comms lost and the minicom hangs up. it appears the blue light no longer blinks. Following the ECM instructions it does not let me get to setting … --- ## [Cellular connection problem on Moxa uc-8100, no signal](https://community.sixfab.com/t/cellular-connection-problem-on-moxa-uc-8100-no-signal/2638)
**Author:** [@maxwell](https://community.sixfab.com/u/maxwell)\ **Replies:** 1\ **Last updated:** [July 28, 2023, 11:16am UTC](https://community.sixfab.com/t/cellular-connection-problem-on-moxa-uc-8100-no-signal/2638 "2023-07-28T11:16:01Z")
Hi, I hope it’s ok to create new topic, there are a few similar topics but mostly with Raspberries… So we bought Telit LE910C4-EU Mini PCIe LTE CAT4 from Sixfab. Other HW which we use: Moxa uc-8112-LX ANT-LTE-ASM-02 … --- ## [How to get QXDM Log](https://community.sixfab.com/t/how-to-get-qxdm-log/2360)
**Author:** [@m.a.elbahi](https://community.sixfab.com/u/m.a.elbahi)\ **Replies:** 6\ **Last updated:** [July 26, 2023, 11:40am UTC](https://community.sixfab.com/t/how-to-get-qxdm-log/2360 "2023-07-26T11:40:44Z")
Hello I have a raspberry pi4 with Telit AT+CGMM LE910C4-NF AT+CGMR M0F.660010 I would like to know if there is a way to get the log QXDM? Thanks for your help --- ## [Telit LE910Cx Tracing / debug/ diagnostics](https://community.sixfab.com/t/telit-le910cx-tracing-debug-diagnostics/2519)
**Author:** [@sixfab-0272](https://community.sixfab.com/u/sixfab-0272)\ **Replies:** 3\ **Last updated:** [May 22, 2023, 2:36pm UTC](https://community.sixfab.com/t/telit-le910cx-tracing-debug-diagnostics/2519 "2023-05-22T14:36:48Z")
Hi! does anyone know how to get Telit debug/diagnostic logs under Linux? from what I could discover from the docs one of the USB ports should be for diagnostics and you can enable it with AT#TRACE=1 - I did that, howeve… --- ## [Telit LE910C4 USB Audio route to 3.5mm/Bluetooth/second usb sound device (for phone calls)](https://community.sixfab.com/t/telit-le910c4-usb-audio-route-to-3-5mm-bluetooth-second-usb-sound-device-for-phone-calls/2514)
**Author:** [@sixfab-0272](https://community.sixfab.com/u/sixfab-0272)\ **Replies:** 2\ **Last updated:** [April 28, 2023, 6:29am UTC](https://community.sixfab.com/t/telit-le910c4-usb-audio-route-to-3-5mm-bluetooth-second-usb-sound-device-for-phone-calls/2514 "2023-04-28T06:29:24Z")
Ahoy! Have been hacking around with the Telit LE910C4’s USB Audio for the purpose of voice calls - the config seems to work as expected but I’m wondering if anyone has had success in routing the LE910’s USB audio to a P… --- ## [Telit LE910Cx VoLTE Application Note](https://community.sixfab.com/t/telit-le910cx-volte-application-note/2493)
**Author:** [@RoEd](https://community.sixfab.com/u/RoEd)\ **Replies:** 2\ **Last updated:** [April 3, 2023, 12:16pm UTC](https://community.sixfab.com/t/telit-le910cx-volte-application-note/2493 "2023-04-03T12:16:08Z")
Do you have VoLTE Application Note for Telit LE910Cx? --- ## [Unable to get connection through ECM/QMI options on Odroid](https://community.sixfab.com/t/unable-to-get-connection-through-ecm-qmi-options-on-odroid/2468)
**Author:** [@jonathan-dlf](https://community.sixfab.com/u/jonathan-dlf)\ **Replies:** 2\ **Last updated:** [March 30, 2023, 9:48am UTC](https://community.sixfab.com/t/unable-to-get-connection-through-ecm-qmi-options-on-odroid/2468 "2023-03-30T09:48:55Z")
I have been unable to get the Telit LE910C4-NF module working on an Odroid C4 running Ubuntu LTS 20.04 with the stock SixFab SIM. I’ve gone through the ECM route, and the QMI route on separate devices, but both yield the… --- ## [Unable to setup QMI on Telit LE910/C4](https://community.sixfab.com/t/unable-to-setup-qmi-on-telit-le910-c4/2425)
**Author:** [@mostafa](https://community.sixfab.com/u/mostafa)\ **Replies:** 1\ **Last updated:** [February 21, 2023, 5:28pm UTC](https://community.sixfab.com/t/unable-to-setup-qmi-on-telit-le910-c4/2425 "2023-02-21T17:28:44Z")
I’m trying to use a Firstnet SIM with Sixfab base HAT and Telit LE910/C4 module. Using this tutorial to setup QMI: I’m getting two errors: root@ubuntu:/sys/class/net# sudo qmicli -d /dev/cdc-wdm0 --wda-get-data-format … --- ## [LE910C4-NF/M0F.660010 VoLTE Call -- SIP Bye not Sent](https://community.sixfab.com/t/le910c4-nf-m0f-660010-volte-call-sip-bye-not-sent/2383)
**Author:** [@m.a.elbahi](https://community.sixfab.com/u/m.a.elbahi)\ **Replies:** 1\ **Last updated:** [February 3, 2023, 10:08am UTC](https://community.sixfab.com/t/le910c4-nf-m0f-660010-volte-call-sip-bye-not-sent/2383 "2023-02-03T10:08:39Z")
Dear All I’m newbie with telit module, I just got one for testing VoLTE network, and seems that Voice MO is not working well. The SIP invite is initiated by The Telit Module correctly and call is established, however i… --- ## [AT#FWSWITCH=0 produces error on telit le910c4-nf](https://community.sixfab.com/t/at-fwswitch-0-produces-error-on-telit-le910c4-nf/2379)
**Author:** [@synaption](https://community.sixfab.com/u/synaption)\ **Replies:** 3\ **Last updated:** [January 31, 2023, 9:44am UTC](https://community.sixfab.com/t/at-fwswitch-0-produces-error-on-telit-le910c4-nf/2379 "2023-01-31T09:44:26Z")
I had previously set my module to AT#FWSWITCH=1 in order to try a verizon sim card, and now I want to switch back to AT#FWSWITCH=0 but I am getting an error on some cards and not others. I don’t know why this would be o… --- ## [MQTT Connect Error LE910C4-NF AT#MQCONN](https://community.sixfab.com/t/mqtt-connect-error-le910c4-nf-at-mqconn/2380)
**Author:** [@mincher](https://community.sixfab.com/u/mincher)\ **Replies:** 0\ **Last updated:** [January 26, 2023, 4:46pm UTC](https://community.sixfab.com/t/mqtt-connect-error-le910c4-nf-at-mqconn/2380 "2023-01-26T16:46:43Z")
I am trying to use the sixfab sim with a pi-hat connected to a linux box via USB. Connecting to it via /dev/ttyUSB3. I am trying to establish a connection to the mosquitto test server and getting “ERROR” in response to… --- ## [Can't ping with telit LE910C4-NF/PiHat](https://community.sixfab.com/t/cant-ping-with-telit-le910c4-nf-pihat/2363)
**Author:** [@mincher](https://community.sixfab.com/u/mincher)\ **Replies:** 1\ **Last updated:** [January 19, 2023, 10:44pm UTC](https://community.sixfab.com/t/cant-ping-with-telit-le910c4-nf-pihat/2363 "2023-01-19T22:44:33Z")
I seem to have the cellular network up… but I can’t ping through it. Any suggestions? Thanks wwx1a3af0xxxxxxxx: flags=4163\ mtu 1500 inet 192.168.225.49 netmask 255.255.255.0 broadcast … --- ## [Just reinstalled linux and the sixfab tools and it doesn't seem to want to connect to cellular](https://community.sixfab.com/t/just-reinstalled-linux-and-the-sixfab-tools-and-it-doesnt-seem-to-want-to-connect-to-cellular/2362)
**Author:** [@mincher](https://community.sixfab.com/u/mincher)\ **Replies:** 1\ **Last updated:** [January 19, 2023, 3:30am UTC](https://community.sixfab.com/t/just-reinstalled-linux-and-the-sixfab-tools-and-it-doesnt-seem-to-want-to-connect-to-cellular/2362 "2023-01-19T03:30:09Z")
I wasn’t sure where to post this, but I have an LE910C4-NF that has been working (powered up today and connected to cellular). I messed up the Ubuntu 22.04 system and blitzed the SD card, re-installed linux, and re-inst… --- ## [Telit Modem returns error with GPS commands](https://community.sixfab.com/t/telit-modem-returns-error-with-gps-commands/2336)
**Author:** [@anthonyp](https://community.sixfab.com/u/anthonyp)\ **Replies:** 1\ **Last updated:** [January 2, 2023, 10:59am UTC](https://community.sixfab.com/t/telit-modem-returns-error-with-gps-commands/2336 "2023-01-02T10:59:59Z")
Hey All, I purchased a telit LE910C4-NF raspberry pi base kit, and can not seem to get it to take GPS AT Commands. I can reset the GPS unit(AT$GPSRST) and enable it (AT$GPSP=1), but can not clear the nvram(AT$GPSNVRAM=1… --- ## [Raspberry Pi 4G/LTE hat connection issues](https://community.sixfab.com/t/raspberry-pi-4g-lte-hat-connection-issues/2310)
**Author:** [@maps26](https://community.sixfab.com/u/maps26)\ **Replies:** 3\ **Last updated:** [December 16, 2022, 12:10pm UTC](https://community.sixfab.com/t/raspberry-pi-4g-lte-hat-connection-issues/2310 "2022-12-16T12:10:52Z")
Hello, I followed the “Getting started” steps for both hardware & software. I am using a raspberry pi 3B+. I copied the installation code to the Pi and successfully installed it. On the Sixfab Core site I can see my SIM… --- ## [SouthPAN SBAS on 4G/LTE modem HAT](https://community.sixfab.com/t/southpan-sbas-on-4g-lte-modem-hat/2206)
**Author:** [@UASltd](https://community.sixfab.com/u/UASltd)\ **Replies:** 0\ **Last updated:** [September 18, 2022, 5:20am UTC](https://community.sixfab.com/t/southpan-sbas-on-4g-lte-modem-hat/2206 "2022-09-18T05:20:09Z")
Has anyone had experience configuring the L910C4 for SBAS? Is it capable of receiving both the L1 and L5 links and performing Dual Frequency Multi-Constellation SBAS using the GPS L1 C/A and L5 signals, or Galileo E1 an… --- ## [Working setup with libqmi but no internet access](https://community.sixfab.com/t/working-setup-with-libqmi-but-no-internet-access/2118)
**Author:** [@blank](https://community.sixfab.com/u/blank)\ **Replies:** 3\ **Last updated:** [July 20, 2022, 3:15pm UTC](https://community.sixfab.com/t/working-setup-with-libqmi-but-no-internet-access/2118 "2022-07-20T15:15:06Z")
I’m trying to set up an LTE hat with a Telit LE910C4 module and a Vodafone SIM on my Raspberry Pi 4. The system is a fresh install of RPi OS Buster, no changes to network, routing or similar components have been made. I… --- ## [Generic-no-service when connecting with qmicli](https://community.sixfab.com/t/generic-no-service-when-connecting-with-qmicli/2115)
**Author:** [@blank](https://community.sixfab.com/u/blank)\ **Replies:** 3\ **Last updated:** [July 20, 2022, 9:30am UTC](https://community.sixfab.com/t/generic-no-service-when-connecting-with-qmicli/2115 "2022-07-20T09:30:55Z")
I’m trying to set up an LTE hat with a Telit LE910C4 module ans a Vodafone SIM on my Raspberry Pi 4. I followed this tutorial to set up a QMI based connection. Every step in the tutorial worked until I tried to connect. … --- ## [Dashboard showing data usage increasing over time but I haven't sent any data](https://community.sixfab.com/t/dashboard-showing-data-usage-increasing-over-time-but-i-havent-sent-any-data/2097)
**Author:** [@SteveO](https://community.sixfab.com/u/SteveO)\ **Replies:** 3\ **Last updated:** [July 6, 2022, 12:10pm UTC](https://community.sixfab.com/t/dashboard-showing-data-usage-increasing-over-time-but-i-havent-sent-any-data/2097 "2022-07-06T12:10:47Z")
Cellular modem is connected, idle, not configured for PPP, QMI, or ECM. Dashboard shows online and I can open a remote terminal. I don’t know what data I’m being charged for. I want to set it up to monitor a switch and … [Next page](https://community.sixfab.com/tag/le910c4/69.md?match_all_tags=true&page=1&tags%5B%5D=le910c4)