# MC7355 firmware update linux **URL:** \ **Category:** MC/EM Series\ **Created:** [May 27, 2014, 11:45pm UTC](https://forum.sierrawireless.com/t/mc7355-firmware-update-linux/7225 "2014-05-27T23:45:45Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![andrewchambers](https://avatars.discourse-cdn.com/v4/letter/a/3d9bf3/32.png) [@andrewchambers](https://forum.sierrawireless.com/u/andrewchambers)\ **Post date:** [May 27, 2014, 11:45pm UTC](https://forum.sierrawireless.com/t/mc7355-firmware-update-linux/7225/1 "2014-05-27T23:45:45Z")
We are having problems with the MC7355 firmware update process using the provided SDK. Here is a terminal session of the provided SDK and firmware tools failing to update the device firmware. I would greatly appreciate any help. We have loaded the provided network driver and the ttyUSB driver. /dev/qcqmi0 exists and /dev/ttyUSB0/ttyUSB1/ttyUSB2. Device responds to AT commands. ATI: Manufacturer: Sierra Wireless, Incorporated Model: MC7355 Revision: SWI9X15C\_01.08.16.03 r15408 carmd-fwbuild1 2013/05/23 01:33:27 MEID: 35619505011187 ESN: 12807062547, 806BC413 IMEI: 356195050111879 IMEI SV: 6 FSN: ER347501740111 +GCAP: +CGSM # lsusb … Bus 001 Device 003: ID 1199:9041 ## the firmware we are trying to install. # ls /mnt/usbkey/ 1101906\_9902726\_SWI9X15C\_01.08.16.03\_00\_Generic\_001.004\_000-field.spk ## Attempting a firmware download with sdk ## One pdf says the correct tool for updating a MC7355 is the sdk’s firmware\_download # ./Firmware\_Download -s /bin/slqssdk -d 9x15 -p /mnt/usbkey/ INFO: Running with device in application mode INFO: Path: /mnt/usbkey/ INFO: Device Type( 0,1,2-\>9x00,9x15,G3K ): 1 Error: Could not get details from the PRI image at the path: /mnt/usbkey/ Failure Code : 59395 ## This error code occurs in the SDK when it cant find NVU information(I assume this is carrier config). ## However we were told this SPK file is all that is required by Sierra staff. ## another pdf says the correct tool for updating a MC7355 is the sdk’s mc77xximgmgmt # mc77xximgmgmt /bin/slqssdk Running with device in application mode Please select one of the following options or press to exit: 1. Display the information for the executing device image 2. Download a boot loader image to the device 3. Download a firmware image to the device 4. Download an NV item to the device 5. Display the information for a particular image located on the host Option: 3 Please specify the path (upto 510 Characters) or press to return to the main menu: /mnt/usbkey/ – Active Device Image Before Download – ## CWE Image Fields BOOT Version: SWI9X15C\_01.08.16.03 r15408 carmd-fwbuild1 2013/05/23 01:33:27 AMSS Version: SWI9X15C\_01.08.16.03 r15408 carmd-fwbuild1 2013/05/23 01:33:27 PRI Version: 9903048 01.00 ## SPKG CWE Image Fields Model ID: MC7355 BOOT Version: SWI9X15C\_01.08.16.03 r15408 carmd-fwbuild1 2013/05/23 01:33:27 AMSS Version: SWI9X15C\_01.08.16.03 r15408 carmd-fwbuild1 2013/05/23 01:33:27 SKU ID: 1102033 Package ID: 1102033\_9903048\_SWI9X15C\_01.08.16.09\_00\_Generic\_001.000\_000 Carrier: 11 PRI version: 01.00 – Preparing to Download SPKG CWE image – ## SPKG CWE Image Fields Model ID: SWI9X15C BOOT Version: 01.08.16.03 AMSS Version: 01.08.16.03 SKU ID: 1101906 Package ID: 000 Carrier: Generic PRI version: 001.004 Downloading Firmware… Firmware download failed! Firmware Download Failed ## as you can see, the tool fails. ---
**Author:** ![chriscopey](https://avatars.discourse-cdn.com/v4/letter/c/bbce88/32.png) [@chriscopey](https://forum.sierrawireless.com/u/chriscopey)\ **Post date:** [May 28, 2014, 7:31am UTC](https://forum.sierrawireless.com/t/mc7355-firmware-update-linux/7225/2 "2014-05-28T07:31:47Z")
Hi Had a similar problem with the MC73xx image management application. One possible fix we found was that disabling network-manager under Ubuntu/Debian allowed the QMI NET interface to operate more reliably. Before you plug in the module, try issuing: sudo service network-manager stop To start again after firmware download: sudo service network-manager start ---
**Author:** ![chriscopey](https://avatars.discourse-cdn.com/v4/letter/c/bbce88/32.png) [@chriscopey](https://forum.sierrawireless.com/u/chriscopey)\ **Post date:** [June 6, 2014, 1:50pm UTC](https://forum.sierrawireless.com/t/mc7355-firmware-update-linux/7225/3 "2014-06-06T13:50:20Z")
Scratch that…it was modem-manager sudo apt-get remove modem-manager ---
**Author:** ![nsmithtelcoantennas](https://avatars.discourse-cdn.com/v4/letter/n/c0e974/32.png) [@nsmithtelcoantennas](https://forum.sierrawireless.com/u/nsmithtelcoantennas)\ **Post date:** [October 23, 2018, 10:37pm UTC](https://forum.sierrawireless.com/t/mc7355-firmware-update-linux/7225/4 "2018-10-23T22:37:49Z")
I think you could just do `/etc/init.d/modemmanager stop` as well.