# \#telit **URL:** https://community.sixfab.com/tag/telit/28.md [Latest](https://community.sixfab.com/latest.md) · [Categories](https://community.sixfab.com/categories.md) · [Tags](https://community.sixfab.com/tags.md) --- ## [Raspberry Pi + Telit LE910C4-NF: LTE attaches, gets IP, ping works, but TCP/ HTTP times out](https://community.sixfab.com/t/raspberry-pi-telit-le910c4-nf-lte-attaches-gets-ip-ping-works-but-tcp-http-times-out/3499)
**Author:** [@mgwalkerjr95](https://community.sixfab.com/u/mgwalkerjr95)\ **Replies:** 5\ **Last updated:** [June 15, 2026, 2:49am UTC](https://community.sixfab.com/t/raspberry-pi-telit-le910c4-nf-lte-attaches-gets-ip-ping-works-but-tcp-http-times-out/3499 "2026-06-15T02:49:41Z")
Hi, I’m seeing a persistent cellular connectivity issue with a Raspberry Pi using a Sixfab 4G LTE HAT and a Telit LE910C4-NF. Current behavior: LTE registration succeeds the modem attaches successfully the cellular … --- ## [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… --- ## [Brought up Telit LE910C4 in ECM Mode as wwan0. Turned off system, now wwan0 has disappeared](https://community.sixfab.com/t/brought-up-telit-le910c4-in-ecm-mode-as-wwan0-turned-off-system-now-wwan0-has-disappeared/3428)
**Author:** [@cbenton](https://community.sixfab.com/u/cbenton)\ **Replies:** 6\ **Last updated:** [February 26, 2026, 1:52am UTC](https://community.sixfab.com/t/brought-up-telit-le910c4-in-ecm-mode-as-wwan0-turned-off-system-now-wwan0-has-disappeared/3428 "2026-02-26T01:52:43Z")
Yesterday I got a new Base HAT up with a Telit modem. Biggest issue was that I had to use dhclient -v wwan0 to get wwan0 added and visible. Connect.sixfab.com show the unit was up and operable. End of day came so I shut … --- ## [Fresh installation on Bookworm fails to connect to cellular](https://community.sixfab.com/t/fresh-installation-on-bookworm-fails-to-connect-to-cellular/3303)
**Author:** [@ECaricato](https://community.sixfab.com/u/ECaricato)\ **Replies:** 5\ **Last updated:** [July 31, 2025, 4:15pm UTC](https://community.sixfab.com/t/fresh-installation-on-bookworm-fails-to-connect-to-cellular/3303 "2025-07-31T16:15:28Z")
Hello Sixfab-Team, I am having issues with a fresh installation on a Raspberry Pi 4 with Bookworm installed. I have set up everything as I usually do, set up my code and everything and everything else works fine. But af… --- ## [Telit LE910C1 Does not respond](https://community.sixfab.com/t/telit-le910c1-does-not-respond/3449)
**Author:** [@guilherme.zucco](https://community.sixfab.com/u/guilherme.zucco)\ **Replies:** 2\ **Last updated:** [July 25, 2025, 6:51pm UTC](https://community.sixfab.com/t/telit-le910c1-does-not-respond/3449 "2025-07-25T18:51:45Z")
Hello I am trying to configure the sixfab 4g lte cellular modem with ecm mode in raspberry pi 5. I follow this tutorial of sixfab. pi@rpi5:~ $ sudo apt update && sudo apt upgrade -y … pi@rpi5:~ $ sudo apt purge mode… --- ## [Telit USB mode?](https://community.sixfab.com/t/telit-usb-mode/3442)
**Author:** [@Tinker](https://community.sixfab.com/u/Tinker)\ **Replies:** 6\ **Last updated:** [July 14, 2025, 1:13am UTC](https://community.sixfab.com/t/telit-usb-mode/3442 "2025-07-14T01:13:59Z")
Sounds like I have the Telit in some other mode. I’m not seeing all the usb ports that I should. How can I reset it and go back to the mode I want to be in? And what “mode” is that? Here is some of the things I’ve tr… --- ## [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… --- ## [Raspberry Pi 4G/LTE Cellular Modem Kit + Telit LE910C4-NF & Verizon](https://community.sixfab.com/t/raspberry-pi-4g-lte-cellular-modem-kit-telit-le910c4-nf-verizon/1998)
**Author:** [@jonyskids](https://community.sixfab.com/u/jonyskids)\ **Replies:** 19\ **Last updated:** [June 12, 2025, 12:19pm UTC](https://community.sixfab.com/t/raspberry-pi-4g-lte-cellular-modem-kit-telit-le910c4-nf-verizon/1998 "2025-06-12T12:19:55Z")
I have got myself all set up. I followed the steps listed here: https://docs.sixfab.com/page/internet-connection-with-telit-le910c1-module-using-ecm-mode AT+CREG? Returns: +CREG: 0,2 AT+CGDCONT? Returns: +CGDCONT: 1,“… --- ## [Reliable automatic reconnection to cellular network](https://community.sixfab.com/t/reliable-automatic-reconnection-to-cellular-network/3432)
**Author:** [@ed.kuhner](https://community.sixfab.com/u/ed.kuhner)\ **Replies:** 0\ **Last updated:** [May 30, 2025, 11:51pm UTC](https://community.sixfab.com/t/reliable-automatic-reconnection-to-cellular-network/3432 "2025-05-30T23:51:26Z")
Hello All - I’m struggling to find a way to get a very reliable and automatic cellular connection on my raspberry pi. I can get the hat to work - but I have to manually enter the commands. I can’t seem to get anything… --- ## [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. --- ## [PPP issues - sudo pon](https://community.sixfab.com/t/ppp-issues-sudo-pon/3335)
**Author:** [@sns123](https://community.sixfab.com/u/sns123)\ **Replies:** 1\ **Last updated:** [January 13, 2025, 1:32pm UTC](https://community.sixfab.com/t/ppp-issues-sudo-pon/3335 "2025-01-13T13:32:32Z")
Hi, I have been using ppp in the SixFab 3G/LTE Raspberry Pi HAT for a while now. However, today, when running the following to initialize the PPP in the terminal sudo pon I get: pppd options in effect: debug # (from… --- ## [Issue getting access through wwan0 to flask server](https://community.sixfab.com/t/issue-getting-access-through-wwan0-to-flask-server/3262)
**Author:** [@cbenton](https://community.sixfab.com/u/cbenton)\ **Replies:** 1\ **Last updated:** [October 2, 2024, 3:29pm UTC](https://community.sixfab.com/t/issue-getting-access-through-wwan0-to-flask-server/3262 "2024-10-02T15:29:28Z")
I have a flask server (on RPI4B) that runs over wifi, but need to use an IoT network due to an upcoming remote installation. Traditionally, I’ve always the flask server with app.run(host=’0.0.0.0’ port=5000) I’ve instal… --- ## [How can I use the SIxfab Cellular modem with OpenWRT?](https://community.sixfab.com/t/how-can-i-use-the-sixfab-cellular-modem-with-openwrt/3250)
**Author:** [@dridri](https://community.sixfab.com/u/dridri)\ **Replies:** 0\ **Last updated:** [September 13, 2024, 7:09am UTC](https://community.sixfab.com/t/how-can-i-use-the-sixfab-cellular-modem-with-openwrt/3250 "2024-09-13T07:09:34Z")
I tried recently tried using the sixfab modem with the telit SIM chip with OpenWRT but was not able to get it working with the QMI cellular connection. I was able to see that I am able to get a connection with the device… --- ## [Firmware update issue](https://community.sixfab.com/t/firmware-update-issue/2560)
**Author:** [@MartijnJonkers](https://community.sixfab.com/u/MartijnJonkers)\ **Replies:** 2\ **Last updated:** [September 11, 2024, 8:41am UTC](https://community.sixfab.com/t/firmware-update-issue/2560 "2024-09-11T08:41:16Z")
how can I fix ‘modem doesn’t answer to diag version number command =\> it is in a wrong state!’ during firmware update? It does not respond to anything. The AT interface is also not responding right now. However the USB … --- ## [Telit ME910C1-WW Serial Ports Unresponsive After Firmware Upgrade](https://community.sixfab.com/t/telit-me910c1-ww-serial-ports-unresponsive-after-firmware-upgrade/3236)
**Author:** [@Skunky](https://community.sixfab.com/u/Skunky)\ **Replies:** 2\ **Last updated:** [September 6, 2024, 6:35am UTC](https://community.sixfab.com/t/telit-me910c1-ww-serial-ports-unresponsive-after-firmware-upgrade/3236 "2024-09-06T06:35:38Z")
Hi. I was having trouble with a Telit ME910C1-WW. I was unable to connect to the cellular network. I wondered if a firmware upgrade would help. I did that, and I see three serial ports in Linux, but I get no response on … --- ## [Enabling sixfab sim on OpenWRT on Raspberry pi 4 model b](https://community.sixfab.com/t/enabling-sixfab-sim-on-openwrt-on-raspberry-pi-4-model-b/3191)
**Author:** [@nwgsweet](https://community.sixfab.com/u/nwgsweet)\ **Replies:** 1\ **Last updated:** [September 5, 2024, 12:38am UTC](https://community.sixfab.com/t/enabling-sixfab-sim-on-openwrt-on-raspberry-pi-4-model-b/3191 "2024-09-05T00:38:07Z")
I am trying to get the 3g/4g/LTE HAT with Telit LE910c4-nf to connect using OpenWRT on a raspberry pi (so not PiOS) AND using the sixfab SIM. While everything looks like it is up, i am not able to ping or access the int… --- ## [Qmi\_wwan does not install - how do I install it?](https://community.sixfab.com/t/qmi-wwan-does-not-install-how-do-i-install-it/3199)
**Author:** [@markpc](https://community.sixfab.com/u/markpc)\ **Replies:** 1\ **Last updated:** [August 19, 2024, 8:43am UTC](https://community.sixfab.com/t/qmi-wwan-does-not-install-how-do-i-install-it/3199 "2024-08-19T08:43:55Z")
Greetings - this is my first Raspberry Pi project. 4th attempt to configure Raspberry Pi 4 with TELIT LE910C4-NF HAT. Fresh OS installation. Here is where I am at, did not install CORE. scbtls-comm1@raspberrypi:~ $ l… --- ## [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 … --- ## [SixFab 4G hat: Query Signal strength (RSSI/RSRP/RSRQ)](https://community.sixfab.com/t/sixfab-4g-hat-query-signal-strength-rssi-rsrp-rsrq/3179)
**Author:** [@Bert](https://community.sixfab.com/u/Bert)\ **Replies:** 1\ **Last updated:** [July 29, 2024, 5:02am UTC](https://community.sixfab.com/t/sixfab-4g-hat-query-signal-strength-rssi-rsrp-rsrq/3179 "2024-07-29T05:02:41Z")
I have the SixFab 4G hat up and running on a Raspberry Pi 5 with the Telit 4G module. I also have SixFab Core installed per the setup instructions. Everything is working as it should, and I can verify the upload/download… --- ## [Missing configuration steps after Ping](https://community.sixfab.com/t/missing-configuration-steps-after-ping/3178)
**Author:** [@noah](https://community.sixfab.com/u/noah)\ **Replies:** 0\ **Last updated:** [July 23, 2024, 5:52pm UTC](https://community.sixfab.com/t/missing-configuration-steps-after-ping/3178 "2024-07-23T17:52:43Z")
Hi Sixfab community, I have the Telit ME910C1-WW with Base hat and I wanted to use it to connect my Raspberry Pi 4B+ to the internet. I ran through all the Sixfab tutorial documentation for setting up hardware, and then… --- ## [Tips to increase Internet Speed on PPP with Telit ME910C1-WW](https://community.sixfab.com/t/tips-to-increase-internet-speed-on-ppp-with-telit-me910c1-ww/3168)
**Author:** [@sns123](https://community.sixfab.com/u/sns123)\ **Replies:** 6\ **Last updated:** [July 19, 2024, 4:33pm UTC](https://community.sixfab.com/t/tips-to-increase-internet-speed-on-ppp-with-telit-me910c1-ww/3168 "2024-07-19T16:33:15Z")
Hi, I am following this documentation for my project: https://docs.sixfab.com/page/connecting-telit-me910c1-cat-m1-module-to-the-internet-via-ppp I wanted to test my internet connection(using speedtest-cli) with the PP… --- ## [Losing cellular network after 10-15 minutes](https://community.sixfab.com/t/losing-cellular-network-after-10-15-minutes/3123)
**Author:** [@Alric](https://community.sixfab.com/u/Alric)\ **Replies:** 1\ **Last updated:** [July 4, 2024, 12:09pm UTC](https://community.sixfab.com/t/losing-cellular-network-after-10-15-minutes/3123 "2024-07-04T12:09:26Z")
Hello, I am using sixfab hat with Telit LE910C4-NF modem. It seems to disconnect from the internet after 10-15 minutes. But if i reboot the device it automatically connects again. For our purposes we need the Raspberry… --- ## [Cellular unavailable on LE910C4-NF and Raspberry Pi](https://community.sixfab.com/t/cellular-unavailable-on-le910c4-nf-and-raspberry-pi/3054)
**Author:** [@jeff-water](https://community.sixfab.com/u/jeff-water)\ **Replies:** 1\ **Last updated:** [June 1, 2024, 6:46am UTC](https://community.sixfab.com/t/cellular-unavailable-on-le910c4-nf-and-raspberry-pi/3054 "2024-06-01T06:46:57Z")
I’m attempting to get my Sixfab 4G/LTE Cellular Modem Kit for Raspberry Pi working but running into trouble. The dashboard says cellular is unavailable… \` PRETTY\_NAME=“Debian GNU/Linux 12 (bookworm)” NAME=“Debian GNU… --- ## [Cellular connection status spotty + no ping](https://community.sixfab.com/t/cellular-connection-status-spotty-no-ping/3004)
**Author:** [@whywill](https://community.sixfab.com/u/whywill)\ **Replies:** 2\ **Last updated:** [April 14, 2024, 9:35pm UTC](https://community.sixfab.com/t/cellular-connection-status-spotty-no-ping/3004 "2024-04-14T21:35:43Z")
hello, i’m fairly new to this world and am trying to use this for my research project. the cellular connection status in my core dashboard keeps changing between available and unavailable. everything else seems to be f… --- ## [Raspberry Pi 4G/LTE HAT Remote Terminal Connection Issue](https://community.sixfab.com/t/raspberry-pi-4g-lte-hat-remote-terminal-connection-issue/2971)
**Author:** [@jaded](https://community.sixfab.com/u/jaded)\ **Replies:** 3\ **Last updated:** [March 21, 2024, 9:18am UTC](https://community.sixfab.com/t/raspberry-pi-4g-lte-hat-remote-terminal-connection-issue/2971 "2024-03-21T09:18:38Z")
Hello, I am experiencing difficulty with opening the remote terminal for the raspberry pi. It was working for a short period. However, I am unable to open it again, after attempting to install a python module. The netwo… --- ## [IoT hat disconnecting and reconnecting rapidly](https://community.sixfab.com/t/iot-hat-disconnecting-and-reconnecting-rapidly/1783)
**Author:** [@testsubject42](https://community.sixfab.com/u/testsubject42)\ **Replies:** 6\ **Last updated:** [March 6, 2024, 12:39pm UTC](https://community.sixfab.com/t/iot-hat-disconnecting-and-reconnecting-rapidly/1783 "2024-03-06T12:39:05Z")
I have an IoT hat with a Telit ME910C1-WW chip. When I try to set it up and run commands or programs, it doesnt work. In the minicom window, a box will frequently open up that says cannot open /dev/ttyUSB2 (which is the … --- ## [LE910C4-NF on LTE Base HAT - wwan0 continuously goes up and down](https://community.sixfab.com/t/le910c4-nf-on-lte-base-hat-wwan0-continuously-goes-up-and-down/2944)
**Author:** [@bart](https://community.sixfab.com/u/bart)\ **Replies:** 5\ **Last updated:** [March 6, 2024, 8:29am UTC](https://community.sixfab.com/t/le910c4-nf-on-lte-base-hat-wwan0-continuously-goes-up-and-down/2944 "2024-03-06T08:29:59Z")
I’ve seen similar posts before, but the resolution involved the support person getting remote access to fix it. I’ve recently installed the 3G/4G<E Base hat with LE910C4-NF on a raspberry pi 4b: PRETTY\_NAME=“Raspbian… --- ## [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 … --- ## [5G Development Kit telit fn980 GNSS](https://community.sixfab.com/t/5g-development-kit-telit-fn980-gnss/2920)
**Author:** [@tampierdavid](https://community.sixfab.com/u/tampierdavid)\ **Replies:** 6\ **Last updated:** [February 25, 2024, 11:04pm UTC](https://community.sixfab.com/t/5g-development-kit-telit-fn980-gnss/2920 "2024-02-25T23:04:03Z")
Hello, is there some tutorial on how to set up GNSS for the development kit with the telit fn980 module? I have a clear sky view with the modem, but it is returning with no fix. “AT$GPSACP $GPSACP: ,1,” I have tried t… --- ## [Wwan occassionally not working after boot](https://community.sixfab.com/t/wwan-occassionally-not-working-after-boot/2905)
**Author:** [@blank](https://community.sixfab.com/u/blank)\ **Replies:** 0\ **Last updated:** [February 5, 2024, 9:33am UTC](https://community.sixfab.com/t/wwan-occassionally-not-working-after-boot/2905 "2024-02-05T09:33:33Z")
I’m using an LTE hat with a Telit module and a Vodafone card on an RPi 4 with buster. I’ve set everything up with libqmi, according to this tutorial: Setting up a data connection over QMI interface using libqmi. General… [Next page](https://community.sixfab.com/tag/telit/28.md?match_all_tags=true&page=1&tags%5B%5D=telit)