Android mobile app crashes when opened

Hi, is you SmartThings linked to your Google account? Mine is linked & I suspect that is part of the issue why even on webapp my SmartThings is totally screwed… no home, no location, no hub, no devices… =(

Have you tried going to my.smartthings.com? After ilreinstalling the app on my phone I can’t see my home, but can see and interact with them on the web and on my other non android devices.

Yes I checked that… unfortunately, it is an “empty” account =(

I am tempted to factory reset my hub & re-setup all over again…

Same issue on my S23Ultra & S7 Tablet

I had the same issue with Galaxy S23 all day. Issue started after last security update.

It is working now. Just few minutes ago.

I have the same problem with crashing on both of my phones, an S22 Ultra and an S24 Ultra. Only the web-based version is working at the moment. Does anyone have a solution for this problem? I already reported this problem through Samsung Members.

Noooooo don’t do that, at least not yet :nerd_face:

Give them a chance to sort it out. There have been cases of temporary device absences and app crashes before and they invariably return… Resetting will give you different headaches!

Hi everyone!

If your SmartThings Android app started crashing 1–2 seconds after launch (even across multiple devices like phones and tablets, and even after reinstalling), here is what caused it for me and how I fixed it.

Logcat Error Signature

If you capture the crash via ADB Logcat, you’ll see a stack trace similar to this:

"FATAL EXCEPTION: DefaultDispatcher-worker-X

Process: com.samsung.android.oneconnect

java.lang.NullPointerException: Attempt to invoke virtual method ‘int java.lang.Object.hashCode()’ on a null object reference

at androidx.compose.ui.graphics.vector…

at com.smartthings.smartclient.restclient.model.presentation.automation.PresentationAutomationActionDisplay$Slider.hashCode

at com.samsung.android.oneconnect.datalayer.entity.presentation.DevicePresentationDomain.hashCode"

Root Cause

A recent update to a custom Edge Driver (in my case, Mariano’s “Zigbee Light Multifunction Mc” updated around Aug 1, 2026) created corrupted/null UI metadata for a Slider component.

Additionally, an auto-generated Light Group / “Lights Summary” (or routines with dimming/slider actions) that referenced these devices inherited the null slider presentation. When the app synced with the cloud on launch, Jetpack Compose failed to render the slider icon and crashed immediately.

How to Fix It (Via Web Console):

  1. Go to the SmartThings Advanced Web Console: SmartThings. Add a little smartness to your things.
  2. Remove / Switch the Edge Driver:
  • Go to Hubs > Installed Drivers.
  • Look for custom Edge Drivers updated recently (e.g., Zigbee Light Multifunction Mc or similar custom dimmer/light drivers).
  • Delete the driver (or switch your devices using that driver back to stock Samsung drivers under Devices).
  1. Delete Light Groups / Summaries:
  • Check your devices/groups for any auto-generated “Lights Summary” / Light Groups that aggregate multiple dimmable lights and delete them.
  1. Re-open the App:
  • Launch the SmartThings app on your phone/tablet. With the corrupted Slider presentation metadata gone from your cloud profile, the app launches smoothly without crashing!

Hope this helps anyone dealing with the same instant-crash loop! <3

Glad you got it working for you by doing this, but mine started working again about 5 minutes after I pasted late last night about 6.5 hours ago. Another thing I do have one of Mariano’s Edge drivers, but It’s not the same one you have. I only have their “Zigbee Temp Sensor and Child Thermostat Mc”, which to me shows that the drivers are not the full case of what is going on here, especially since I didn’t delete anything and it just started working again. One other thing I did update last night though was Samsung Cloud, but I don’t think that is a normal app for none Samsung Users so even that might be ruled out.

Well and in my case I lost every thing from my account!! No devices is it possible to recovery them again?

same case here… I trust that Samsung is able to restore our account…

Well I’m waiting for an answer from Smartthings if not, I will change everything to another platform!!! I agree with problems but reset the account!!! 90 devices added in more than 7years with automations and everything? All LOST!!!

Since the crash was triggered by a “NullPointerException” when the app fetched presentation schemas from the cloud, either Samsung pushed a backend fix or Mariano released an automatic channel update to patch the broken slider metadata in his drivers.

Once the cloud payload or driver definition was corrected upstream, the app stopped receiving the broken object reference, which explains why it self-healed for you without needing manual intervention.

Good to know Samsung / the developers caught it and patched it on the server side so others don’t have to delete anything manually!

I confirm, a while ago (1 to 2 hours) it started working again without further intervention from my side. Best advice in such a case: don’t rush into doing anything drastic like factory resets…

My setup is still working this morning, but I removed the “Solved” tag since other people are still having issues.

Seems to have sorted itself out for me now :crossed_fingers:

I am running custom drivers but not @Mariano_Colmenarejo 's light driver mentioned above so who knows :man_shrugging:t3:

About 30 minutes ago, everything was working fine without any intervention from my side.

Always frustrating that when there are major widespread issues and Samsung fails to be transparent and provide any updates on https://status.smartthings.com/.

Thank goodness for this community and users posting on Reddit, or I might be mistaken thinking it was an isolated issue for just me.

Any suggestion how to restore SmartThings setup? Due to this incident, all my setup is lost… no home, no location, no hub, no device, no rooms…

All ok now for me.