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Nest Learning thermostat app connected to an old mobile device

Community Member

the app I originally used to remotely access my Nest Learning thermostat is on an obsolete mobile device. I have tried to connect the app on my new device but am unable to retrieve the entry key as the thermostat thinks it is still connected to a device. I have restarted the thermostat but this has not resolved the issue. How do I rectify this please?



Not applicable

Do you have access to the old device or the account where the thermostat was added?

I dont have access to the phone but the account is still mine.

Not applicable

Do an account connection reset from the thermostat itself. Settings>reset>account connection then try adding it again, if it doesn't work. You'll have to create a new account. :<

I needed to do a full reset but my phone is now connected to the thermostat. 

Thank you for your assistance 

Community Specialist
Community Specialist

Hi folks,


Thanks for sharing the instructions, @Anonymous.


@kevinlight, I appreciate you posting and updating us on your efforts to address your concern finding a fix— Hats off to you!


Please let us know if you have any other questions or concerns.


Best regards,


Hi folks,

As we got our resolution here, I'm going to mark this thread as resolved. I'll be locking this thread if we won't hear back from you in 24 hrs. Should that happen, feel free to create a new one if you have more questions or have other concerns in the future.