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Cannot log in to SmartThings on ios 18.5 / iPhone 16

(Topic created: 06-08-2025 09:54 PM)
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Virgil_Tibbs
Constellation
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Samsung Apps and Services

Used to work without trouble but the last week or so I cannot log in to the SmartThings app on my iPhone.  As soon as I hit "Sign In", the login screen shows but quickly switches to an error message that says:

Access denied

Unusual activity was detected, so we blocked access to your account for security.

Any ideas how to get past this? I tried changing my password, adding 2FA questions and other factors, etc., to no avail.  I can open a browser and open my.smartthings.com, and that will allow me to turn on my Samsung TV, but that's about it.

 

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GaryB82
Galactic Samsung Care Ambassador
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Samsung Apps and Services

@Virgil_Tibbs  I suggest asking in the dedicated SmartThings forums they maybe an issue with the iPhone app that needs addressed to resolve the login problem your having.

https://community.smartthings.com/



If you've found my post to be helpful, Please like my Comments ✓✓✓.
If my response resolved your issue, please press the Like and ✓✓✓ to Accept as Solution button.


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GaryB82
Galactic Samsung Care Ambassador
Options
Samsung Apps and Services

@Virgil_Tibbs  I suggest asking in the dedicated SmartThings forums they maybe an issue with the iPhone app that needs addressed to resolve the login problem your having.

https://community.smartthings.com/



If you've found my post to be helpful, Please like my Comments ✓✓✓.
If my response resolved your issue, please press the Like and ✓✓✓ to Accept as Solution button.


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