# Unknown device card in flow due to Matter issues - UI needs improvement! **URL:** \ **Category:** Questions & Help\ **Tags:** flow, homey-pro-2023\ **Created:** [July 18, 2025, 5:10pm UTC](https://community.homey.app/t/unknown-device-card-in-flow-due-to-matter-issues-ui-needs-improvement/139982 "2025-07-18T17:10:57Z")\ **Posts on this page:** 1\ **Showing post:** 2
**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:** [July 18, 2025, 10:53pm UTC](https://community.homey.app/t/unknown-device-card-in-flow-due-to-matter-issues-ui-needs-improvement/139982/2 "2025-07-18T22:53:20Z")
> [@Esben](#): > > and especially Athom You now assume they read every forum post; that’s not true. You’d write to homey.app/support instead. > [@Esben](#): > > 1. Is there somewhere where we users can see/identify which flows a failing device has been connected to - instead of having to go through each and every flow manually? Sure: - Mobile app - Web app A very nice tool (app) reports broken flows within a few minutes (amongst many other things): [Flow Checker](https://community.homey.app/t/app-pro-flow-checker/50986) . > [@Esben](#): > > 1. Why is the flow interface so unhelpful so adjusting a single device affects ALL devices and removes them - leaving a lot of empty cards. > In large flows it is completely impossible to figure out which device card to insert as a replacement. Yeah this a big Adv Flow flaw, it annoys me as well. But you’d discuss with Athom support. By adding Simple log cards and flow notes, it"s easier to “reverse engineer” your flow cards. Next, when you “hover” the ℹ on the missing card > ![Screenshot_20250719_010126_Chrome](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/b/6/b65fd582417bb96e166e2763adddd438e7e97b5c.jpeg) it shows the function of the flow card, like onoff, dim etc., which makes it a bit easier to recall what card it would have been. --- _[View the full topic](https://community.homey.app/t/unknown-device-card-in-flow-due-to-matter-issues-ui-needs-improvement/139982)._