# Can't enable USB Devices about:debugging

**URL:** <https://discourse.mozilla.org/t/cant-enable-usb-devices-about-debugging/107823>\
**Category:** Developer Tools\
**Tags:** issue\
**Created:** [November 16, 2022, 7:47pm UTC](https://discourse.mozilla.org/t/cant-enable-usb-devices-about-debugging/107823 "2022-11-16T19:47:01Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![jdescottes](https://sea1.discourse-cdn.com/flex001/user_avatar/discourse.mozilla.org/jdescottes/32/22185_2.png) [@jdescottes](https://discourse.mozilla.org/u/jdescottes)\
**Post date:** [November 16, 2022, 10:02pm UTC](https://discourse.mozilla.org/t/cant-enable-usb-devices-about-debugging/107823/5 "2022-11-16T22:02:01Z")

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@Raster

Could you try to open about:config, and change the preference “devtools.remote.adb.extensionURL” to `https://ftp.mozilla.org/pub/labs/devtools/adb-extension/#OS#/adb-extension-latest-#OS#.xpi` (basically remove the `/mozilla.org` from the current value).

This should make it work.

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_[View the full topic](https://discourse.mozilla.org/t/cant-enable-usb-devices-about-debugging/107823)._