# MC8355 driver for Win10

**URL:** <https://forum.sierrawireless.com/t/mc8355-driver-for-win10/8342>\
**Category:** MC/EM Series\
**Created:** [December 18, 2015, 4:17pm UTC](https://forum.sierrawireless.com/t/mc8355-driver-for-win10/8342 "2015-12-18T16:17:30Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![HPW\_2016](https://avatars.discourse-cdn.com/v4/letter/h/82dd89/32.png) [@HPW\_2016](https://forum.sierrawireless.com/u/HPW_2016)\
**Post date:** [December 18, 2015, 4:17pm UTC](https://forum.sierrawireless.com/t/mc8355-driver-for-win10/8342/1 "2015-12-18T16:17:30Z")

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Hello !

I upgraded my Fujitsu Celsius H920 notebook to Win10. Now I cannot activate the MC8355 modem. I think it is a driver problem. Is there any new Win10 driver to download?

best regards

Hans Peter

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**Author:** ![Rex\_alex](https://avatars.discourse-cdn.com/v4/letter/r/73ab20/32.png) [@Rex\_alex](https://forum.sierrawireless.com/u/Rex_alex)\
**Post date:** [December 22, 2015, 7:11am UTC](https://forum.sierrawireless.com/t/mc8355-driver-for-win10/8342/2 "2015-12-22T07:11:16Z")

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hi,  
You can use [http://source.sierrawireless.com/resources/airprime/software/airprime-mc-series-windows-drivers-qmi-build-4277/](http://source.sierrawireless.com/resources/airprime/software/airprime-mc-series-windows-drivers-qmi-build-4277/)

-Alex

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**Author:** ![FilhoSenhor](https://sea1.discourse-cdn.com/flex025/user_avatar/forum.sierrawireless.com/filhosenhor/32/10035_2.png) [@FilhoSenhor](https://forum.sierrawireless.com/u/FilhoSenhor)\
**Post date:** [July 4, 2025, 1:05am UTC](https://forum.sierrawireless.com/t/mc8355-driver-for-win10/8342/3 "2025-07-04T01:05:16Z")

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Even after installing this, Windows requires additional installation.  
Code 10

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**Author:** ![jyijyi](https://sea1.discourse-cdn.com/flex025/user_avatar/forum.sierrawireless.com/jyijyi/32/4766_2.png) [@jyijyi](https://forum.sierrawireless.com/u/jyijyi)\
**Post date:** [July 4, 2025, 1:12am UTC](https://forum.sierrawireless.com/t/mc8355-driver-for-win10/8342/4 "2025-07-04T01:12:12Z")

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how about other version?  
[https://source.sierrawireless.com/resources/airprime/software/airprime-mc-series-windows-drivers-qmi-build-history/#sthash.qqwQdkWj.dpbs](https://source.sierrawireless.com/resources/airprime/software/airprime-mc-series-windows-drivers-qmi-build-history/#sthash.qqwQdkWj.dpbs)