# USB Driver V3.822 Hangs Downloads

**URL:** <https://forum.sierrawireless.com/t/usb-driver-v3-822-hangs-downloads/5417>\
**Category:** Development tools\
**Created:** [January 24, 2012, 2:35am UTC](https://forum.sierrawireless.com/t/usb-driver-v3-822-hangs-downloads/5417 "2012-01-24T02:35:51Z")\
**Posts on this page:** 1\
**Showing post:** 1

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**Author:** ![bakalis](https://avatars.discourse-cdn.com/v4/letter/b/ad7895/32.png) [@bakalis](https://forum.sierrawireless.com/u/bakalis)\
**Post date:** [January 24, 2012, 2:35am UTC](https://forum.sierrawireless.com/t/usb-driver-v3-822-hangs-downloads/5417/1 "2012-01-24T02:35:51Z")

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Greetings,

I upgraded the USB driver to V3.822 and now uploading the embedded application the port hangs, and when I cancell the upload the port stops working which means all Traces stop and I cannot issue any AT commands. Does anyone know where to get the previous version of the driver? Re-installing Developer Studio does not provide the older driver.

I am using the following:  
Fastrack Xtend (FXT009)  
Developer Studio: 2.1.0.201108081252-R6801

Thanks,  
Steven

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