# How to check zigbee firmware version?

**URL:** <https://community.homey.app/t/how-to-check-zigbee-firmware-version/65671>\
**Category:** Questions & Help\
**Tags:** zigbee, homey-pro\
**Created:** [July 7, 2022, 2:53pm UTC](https://community.homey.app/t/how-to-check-zigbee-firmware-version/65671 "2022-07-07T14:53:42Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![Dijker](https://avatars.discourse-cdn.com/v4/letter/d/b9bd4f/32.png) [@Dijker](https://community.homey.app/u/Dijker)\
**Post date:** [July 7, 2022, 3:14pm UTC](https://community.homey.app/t/how-to-check-zigbee-firmware-version/65671/6 "2022-07-07T15:14:35Z")

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To see if you reset Zigbee before or after FV v5.0  
Check the Well-Known-Key

> [@Cve-2020-28952](https://community.homey.app/t/cve-2020-28952/45343/1):
>
> Q: I have updated my Homey from a version before v5.0.0, do I have the old Well-Known-Key?  
> A: Probably yes, you can Check it [here](https://developer.athom.com/tools/zigbee) if the Network Key is: “01:03:05:07:09:0b:0d:0f:00:02:04:06:08:0a:0c:0d”

Although not to be determined independently some user think they have a better Zigbee experience after a reset. but that’s up to you.

You already have the latest FW if you look here [Homey Developer Tools](https://tools.developer.homey.app/tools/zigbee) and Firmware Version reports 2.6.3

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