7355 on Windows 10 Pro crashes during sleep

I have a problem with a 7355 module I am using to learn how WWAN works: it crashes Windows 10 during sleep.

The computer has rebooted from a bugcheck.  The bugcheck was: 0x0000009f (0x0000000000000003, 0xffffe40ddfbf48d0, 0xfffff803621ac870, 0xffffe40ddd1ff9d0). A dump was saved in: C:\WINDOWS\MEMORY.DMP. Report Id: e9abc860-abf0-4add-a15b-0a58ec63837b.

The sleep mode is “Connected Standby” (CSEnabled=1 in

I have collected a few MEMORY.DMP and analyzed them with WinDBG: in each one of them, swg3kmbb00.sys is indicated as the probable cause:

Use !analyze -v to get detailed debugging information.

BugCheck 9F, {3, ffffe40ddfbf48d0, fffff803621ac870, ffffe40ddd1ff9d0}

Implicit thread is now ffffe40d`cc370040
*** ERROR: Module load completed but symbols could not be loaded for swg3kmbb00.sys
Probably caused by : swg3kmbb00.sys ( swg3kmbb00+7750 )

The issue seems to happen after a few hours, when the system goes into suspend to disk. I also see in the logs elements in favor of that:

USB device draining system power when system is idle.             
USB Device: VID: 0x1199 PID: 0x68A2 REV: 0x6


Miniport Sierra Wireless Mobile Broadband Network Adapter, {fae8d8bb-b48e-4134-b1eb-20ab44a291fe}, had event Fatal error: The miniport has failed a power transition to operational power

Any suggestion on what I should try to change to reduce the crashes?

The custom options are:

            ISVOICEN            0x01
            STKUIEN             0x02
            ADBENABLE           0x01
            GPSENABLE           0x02
            FASTENUMEN          0x03
            GPSSEL              0x01
            WAKEHOSTEN          0x01
            NMEAENABLE          0x01
            CFUNPERSISTEN       0x01
            UBISTENABLE         0x01
            GOBIIMEN            0x01
            GPSREFLOC           0x01
            SIMLPM              0x02
            USBSERIALENABLE     0x02

I am trying at the moment to disable host wakeup, keep the sim powered, and use MBIM instead of QMI mode


This problem needs a detailed technical analysis. Please contact your Technical support in SWI to provide you the solution.

Thanks & Regards,

I later killed this module after some mistakes in the provisioning (see my other message about nvsp)

With a new MC7355 where I restarted from scratch I do not have this problem anymore. I don’t exactly have a technical contact or support. I am just a student.