Since a few week, my wife and I have a very poor location precision on our Samsung phones. I read from a response on this post, that this isn’t necessarily the case for other brands.
When the signal is weak (like… at home, inside) the phone should switch to WIFI network location (OK), and when that doesnt work, to cellular antenna triangulation (bad). This used to work fine, but recently my location started hopping from one location of our village to another, which suggests that it now uses triangulation only. For some reason the physical location of my WIFI network got lost, or can’t be retrieved by our Samsung phones. I read on the Internet that I can make (Google?) (re-)learn the location of my WIFI network by switching WIFI on and of while having an operational GPS service. I have a Deco mesh WIFI network, and Google’s WIFI network location database isn’t based on SSID but on MAC address (at least according to Gemini). This means that I have to make it (re-)learn the location of my 4 DECO devices. However… not sure if this solves the problem, as it may be linked to Samsung rather than to Google? Anyone else having a similar experience?
Not sure if this is connected, but my partner’s home/away detection via the app (on a Samsung phone) seems to have become very unreliable recently. Mine still works fine (Pixel). Could well be unrelated.
[Just to avoid comment storms, I do know that Samsung can be very aggressive about killing/sleeping apps. I think (?) I’ve done all the tweaks to avoid that.]
Cheers
My wife’s Samsung as well as my Samsung have the problem since a week or two (September 2025), so I’m pretty sure it’s related. They suddenly started using cellular triangulation only when in house. I was trying to re-train the Google database on my 4 Deco’s, but if you say that it fails on Samsung but still works on Pixel, the problem may be related to Samsung indeed. When no apps are requesting the location service, my Samsung stops the GPS to save battery. However, it still allows apps to retrieve location based on WIFI and triangulation, which is a disaster in case WIFI doesn’t work. I did notice that Maps and other apps activate the GPS service when opened, while the Homey app only retrieves the coordinates without activating the GPS service. In theory this is a good thing… saves battery. So again it all boils down to: why did our Samsung phones suddenly stop fetching the WIFI network’s location? 
No idea on the problem. I see a lot of recent Samsung location issues online, but perhaps that’s normal.
As a workaround, I’ve set up a couple of small tasker profiles on the phone which call webhooks in Homey.
It uses the home WiFi SSID to trigger “Home”. I tried just using a disconnect to trigger “Away” but Samsung seem to drop connections overnight when it’s in deep sleep (or something) and falsely trigger away. I’ve added a tasker location test and a “cell near” test for “Away”.
That works right now, and might be more reliable. I’ll let you know when it’s been running a few days!
Happy to share, if you’re not familiar with either Tasker or Homey webhooks.
Cheers
Cheers
Thank you! I’m not very familiar with Tasker and Homey webhooks, but understand what you did. The thing is that every random time interval our Samsungs decide to update their location based on Wifi, BT, triangulation, … when the GPS signal is weak. The Homey app reads this information, and may constantly override whatever you triggered via webhooks, no? For now, I’ve ‘solved’ the solution by switching off the ‘location accuracy’ feature. This way, the Samsungs only rely on GPS signal and don’t change the location until they get fresh GPS coordinates. This works perfectly. Only inconvenience is that it may take longer to get a fix on GPS sattelites after having shut down the GPS service & moved a significant distance. But I never do that… Sometimes, an ‘improvement’ isn’t better 
