The USB stack inside the device has been updated and fixes several problem which may have occurred in the USB connection phases, i.e. UMTSBOX2 device not visible in D USBDEV.

Starting with Abilis 7.2.5 requires to update at least to UMTSBOX2 v.42. Keeping version 41 MAY show more frequent USB connection problems.

You can download the new firmware from the firmware download page.