So if you joined a network in the past and trusted its certificate while at it, and saved it on your iPhone/iPad.

Sometime later, if either:

  1. It’s the same network but their previous certificate has expired and they’re now using a new one


  1. Your device finds another network with the same SSID, which does not have the same certificate (has no certificate or has a different certificate)

Will your iPhone/iPad alert you or will it quietly join without asking you about anything?

1 Answer 1


If you join the same network, and they have renewed their certificate - you will not get an an alert (assuming that the new certificate is indeed valid).

  • What about if it’s a different network with no certificate? Jul 4, 2022 at 8:09

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