# Multiple module firmware update

**URL:** <https://forum.sierrawireless.com/t/multiple-module-firmware-update/21744>\
**Category:** IoT Modules\
**Created:** [October 8, 2020, 12:47pm UTC](https://forum.sierrawireless.com/t/multiple-module-firmware-update/21744 "2020-10-08T12:47:19Z")\
**Posts on this page:** 1\
**Showing post:** 8

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**Author:** ![Donald](https://avatars.discourse-cdn.com/v4/letter/d/ac8455/32.png) [@Donald](https://forum.sierrawireless.com/u/Donald)\
**Post date:** [October 16, 2020, 10:56am UTC](https://forum.sierrawireless.com/t/multiple-module-firmware-update/21744/8 "2020-10-16T10:56:45Z")

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Hi Wiviacom,

USB port number is modem port in Sierra Wireless WWAN Modem.  
For example: usbport is 246  
fdt2.exe -f WP76xx\_Release16\_GENERIC.spk -usbport 246 -multi

 ![usbport](https://us1.discourse-cdn.com/flex025/uploads/sierrawireless/original/2X/1/15249c5dc2820ff081e0440143e6bbb41a959e4b.png)

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