Privacy warning
Privacy warning apprears in phone WiFi p
iPhone 12
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If you use Public Wi-Fi, see this Apple article: Use captive Wi-Fi networks on your iPhone, iPad or iPod touch
https://support.apple.com/en-gb/HT204497
If you use your Home Wi-Fi network,
Try this: Disabled Privacy Address.
Forgot this network.
Rejoined that network while submitting a password.
See the following Apple articles:
Connect to Wi-Fi on your iPhone, iPad, or iPod touch
https://support.apple.com/en-us/HT202639
If your iPhone, iPad, or iPod touch won’t connect to a Wi-Fi network