Internal Modem upgrade Meiglink Rut955

Is there a procedure that works for upgrading the internal modem firmware of a RUT955 with a meiglink SLM750 modem? I’ve tried with the modem_updater package, but that does not work.

Any help would be greatly appreciated!

Did you installed sshfs?

Yes i did.

And whats wrong with modem_updater?

root@Teltonika-RUT955:~# modem_updater -i 1-1 -v SLM750_VE_4_57_22
[INFO]found MODEM_N:
[INFO] Detected MODEM_N: 0
fw: SLM750_4.0.6_EQ101
[INFO] Stopping services…
Command failed: Not found
Starting flasher…
[000.000]: [000.003]: devname is:/dev/bus/usb/001/002[000.008]: devdesc is:[000.009]: case 1[000.010]: udev bulk dev[001.011]: [001.011]: devname is:/dev/bus/usb/001/002[001.012]: devdesc is:[001.012]: case 1[001.012]: udev bulk dev[002.012]: [002.012]: devname is:/dev/bus/usb/001/002[002.012]: devdesc is:[002.012]: case 1[002.012]: udev bulk dev[003.013]: [003.013]: devname is:/dev/bus/usb/001/002[003.013]: devdesc is:[003.013]: case 1[003.013]: udev bulk dev[004.014]: [004.014]: devname is:/dev/bus/usb/001/002[004.015]: devdesc is:[004.015]: case 1[004.015]: udev bulk dev[005.015]: [005.016]: devname is:/dev/bus/usb/001/002[005.016]: devdesc is:[005.016]: case 1[005.016]: udev bulk dev[006.016]: [006.017]: devname is:/dev/bus/usb/001/002[006.017]: devdesc is:[006.017]: case 1[006.017]: udev bulk dev[007.017]: [007.018]: devname is:/dev/bus/usb/001/002[007.018]: devdesc is:[007.018]: case 1[007.018]: udev bulk dev[008.018]: [008.019]: devname is:/dev/bus/usb/001/002[008.019]: devdesc is:[008.019]: case 1[008.019]: udev bulk dev[009.019]: [009.019]: devname is:/dev/bus/usb/001/002[009.019]: devdesc is:[009.020]: case 1[009.020]: udev bulk dev[010.020]: [010.020]: devname is:/dev/bus/usb/001/002[010.020]: devdesc is:[010.020]: case 1[010.020]: udev bulk dev[011.021]: [011.021]: devname is:/dev/bus/usb/001/002[011.021]: devdesc is:[011.021]: case 1[011.021]: udev bulk dev[012.022]: [012.022]: devname is:/dev/bus/usb/001/002[012.022]: devdesc is:[012.022]: case 1[012.022]: udev bulk dev[013.022]: [013.023]: devname is:/dev/bus/usb/001/002[013.023]: devdesc is:[013.023]: case 1[013.023]: udev bulk dev[014.023]: [014.024]: devname is:/dev/bus/usb/001/002[014.024]: devdesc is:[014.024]: case 1[014.024]: udev bulk dev[015.024]: [015.024]: devname is:/dev/bus/usb/001/002[015.025]: devdesc is:[015.025]: case 1[015.025]: udev bulk dev[016.025]: [016.025]: devname is:/dev/bus/usb/001/002[016.025]: devdesc is:[016.025]: case 1[016.026]: udev bulk dev[017.026]: [017.027]: devname is:/dev/bus/usb/001/002[017.027]: devdesc is:[017.027]: case 1[017.027]: udev bulk dev[018.027]: [018.028]: devname is:/dev/bus/usb/001/002[018.028]: devdesc is:[018.028]: case 1[018.028]: udev bulk dev[019.028]: [019.029]: devname is:/dev/bus/usb/001/002[019.029]: devdesc is:[019.029]: case 1[019.029]: udev bulk dev[020.029]: [020.029]: devname is:/dev/bus/usb/001/002[020.030]: devdesc is:[020.030]: case 1[020.030]: udev bulk dev[021.030]: [021.030]: devname is:/dev/bus/usb/001/002[021.030]: devdesc is:[021.030]: case 1[021.031]: udev bulk dev[022.031]: [022.031]: devname is:/dev/bus/usb/001/002[022.031]: devdesc is:[022.031]: case 1[022.031]: udev bulk dev[023.032]: [023.032]: devname is:/dev/bus/usb/001/002[023.032]: devdesc is:[023.032]: case 1[023.032]: udev bulk dev[024.032]: [024.033]: devname is:/dev/bus/usb/001/002[024.033]: devdesc is:[024.033]: case 1[024.033]: udev bulk dev[025.033]: [025.034]: devname is:/dev/bus/usb/001/002[025.034]: devdesc is:[025.034]: case 1[025.034]: udev bulk dev[026.034]: [026.035]: devname is:/dev/bus/usb/001/002[026.035]: devdesc is:[026.035]: case 1[026.035]: udev bulk dev[027.035]: [027.035]: devname is:/dev/bus/usb/001/002[027.036]: devdesc is:[027.036]: case 1[027.036]: udev bulk dev[028.036]: [028.036]: devname is:/dev/bus/usb/001/002[028.036]: devdesc is:[028.036]: case 1[028.036]: udev bulk dev[029.037]: [029.037]: devname is:/dev/bus/usb/001/002[029.037]: devdesc is:[029.037]: case 1[029.037]: udev bulk dev[030.038]: src/meig_firehose.c main 1164 fail
[INFO] Script finished
[INFO] Starting services:
setting up led LAN1
setting up led LAN2
setting up led LAN3
setting up led WAN
This is the output.

EDIT: This happens regardless of which of the available firmware versions i try.

What is output of command: modem_updater -g

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