occasionally Arlo tries to log in to old phone so it doesn't recognize me

[Vswanny47]

Change my iPhone 

occasionally Arlo tries to log in to old phone so it dosnt recognise me

then it emails a code to log in 

But when I minimise Arlo to open email then try to reopen Arlo it goes off ! 
so I have to email lap top whilst keeping iPhone on arlo

need to delete OLD iPhone from Arlo  How ? 

[StephenB]

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@Vswanny47 wrote:

need to delete OLD iPhone from Arlo  How ? 

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Try going into settings->profile->Two-Step Verification.  If the old phone is still in that list, then remove it.