Second public key from other device?

Radio Messenger
1

I am receiving a message from RadioMessenger in the settings/my public key, I receive a message that my other public key is being used. I don’t know what device could have a different key. The app is only installed on one device.

2

I see your public key finger print as A1DA 11D0 9C13 CEF4. Is that what the app shows you? Settings > My Public Key

Did you change your SSID at any point?

3

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4

I think I may have changed my SSID once. And changed it back after reading the manual.

5

The public key you listed above was for the “other device” but I have only one device. I tried changing the ssid but the same public keys are listed and I don’t see any way to export the other key to my device.