# Aqara P2 Matter Sensor not working since Homey 12.3.0

**URL:** <https://community.homey.app/t/aqara-p2-matter-sensor-not-working-since-homey-12-3-0/129400>\
**Category:** Questions & Help\
**Tags:** homey-pro, matter\
**Created:** [January 31, 2025, 2:45pm UTC](https://community.homey.app/t/aqara-p2-matter-sensor-not-working-since-homey-12-3-0/129400 "2025-01-31T14:45:54Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Robin\_Stefanov](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/robin_stefanov/32/79224_2.png) [@Robin\_Stefanov](https://community.homey.app/u/Robin_Stefanov)\
**Post date:** [January 31, 2025, 2:45pm UTC](https://community.homey.app/t/aqara-p2-matter-sensor-not-working-since-homey-12-3-0/129400/1 "2025-01-31T14:45:54Z")

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Hello,

i just found out that all my Matter sensors are not working properly with the new Matter 1.3 Version of Homey 12.3.0. Is anyone else having problems with aqara or matter devices and maybe a solution?  
Or do i have to remove them and connect them again?

Thanks in advance

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**Author:** ![Peter\_Kawa](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/peter_kawa/32/173848_2.png) [@Peter\_Kawa](https://community.homey.app/u/Peter_Kawa)\
**Post date:** [January 31, 2025, 4:09pm UTC](https://community.homey.app/t/aqara-p2-matter-sensor-not-working-since-homey-12-3-0/129400/2 "2025-01-31T16:09:08Z")

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Hello Robin,

> [@Robin\_Stefanov](#):
>
> not working properly

Very vague 😬  
So, what are the actual issues you experience?

Did you restart Homey after the fw update?  
Or just cut the power for 10 minutes?

This solved the weirdest issues.

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**Author:** ![Robin\_Stefanov](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/robin_stefanov/32/79224_2.png) [@Robin\_Stefanov](https://community.homey.app/u/Robin_Stefanov)\
**Post date:** [January 31, 2025, 6:31pm UTC](https://community.homey.app/t/aqara-p2-matter-sensor-not-working-since-homey-12-3-0/129400/3 "2025-01-31T18:31:34Z")

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Hey Peter,

I will try a better definition of not working properly: at least the contact alarm is not working. For Battery status or everything else i cant tell for sure. One of them i removed from homey and connected again and it is working just fine for now.  
Cutting the power for at least 10 Minutes i did not try. I will try that later and tell you if it worked.

Thanks!

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**Author:** ![Robin\_Stefanov](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/robin_stefanov/32/79224_2.png) [@Robin\_Stefanov](https://community.homey.app/u/Robin_Stefanov)\
**Post date:** [January 31, 2025, 8:31pm UTC](https://community.homey.app/t/aqara-p2-matter-sensor-not-working-since-homey-12-3-0/129400/4 "2025-01-31T20:31:25Z")

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Yeah, the longer restart did the trick! Funny, but a good and easy solution…  
Thank you again!