I tested with your updated files plus the attached patch to add support for the HP lt4132.

I'm reviving this old thread, as it would appear that the patch I sent to add support for the HP lt4132 has only been partially applied as of usb-modeswitch-data-20170806 . The new file usb_modeswitch.d ...

It doesn't automatically switch back after selecting config #2, because changing the config doesn't trigger any udev events for the parent device, which in turn means usb_modeswitch doesn't get invoked.

Instead, I cooked up the following simple script to do some repetitive testing:


#!/bin/sh -e ...

Hi Josh,

I tested with your updated files plus the attached patch to add support for the HP lt4132. I tried rebooting my laptop approx. a dozen times, and it worked all but once. The one time it didn't work, the config had been switched to #3 , but the modem was still inoperable (as if it had been ...

What can be done in usb_modeswitch internally is always select config #0 first before selecting the final config. No need to check for active connection after having selected config #0, just send the final select directly after.

Yes, having the option to deconfigure the device before switching to ...

That doesn't work, unfortunately.

It appears that usb_modeswitch ignores the -u 0 option:


$ usb_modeswitch -v 0x03f0 -p 0xa31d -u 0
Look for default devices ...
product ID matched
Found devices in default mode (1)
Access device 003 on bus 001
Get the current device configuration ...
Current ...

I have a HP lt4132 LTE/HSPA+ 4G Module ( 03f0:a31d ). This is a Huawei ME906s-158 in disguise, and probably behaves exactly the same as aobs 's device. After bootup, it it starts out in configuration 2 . It is not picked up as a supported device by ModemManager in this configuration.

In order to ...