How to connect to the saved wifi network in iOS programatically?

I’m not sure I understand your question here. Can you describe a user-level walk through of what you’re trying to achieve?

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Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@" + "apple.com"

@eskimo Let's say I programmatically connected my iOS iPhone to a WIFI and it was disconnected for some reason. I don't want to save the password in the app. I now need to reconnect the device to the same WiFi network, but I am unable to do so because I do not know the password.Since I've already connected to the network once, is there a way to see if the device is already listed in the remembered devices list and reconnect to it?

Since I've already connected to the network once, is there a way to see if the device is already listed in the remembered devices list

Yes, using -getConfiguredSSIDsWithCompletionHandler:.

and reconnect to it?

No. Once you’ve saved a configuration in the list, iOS should try to reconnect to it automatically but there’s no way to force that other than to call -applyConfiguration:completionHandler:, and that requires you to know the password.

If you’d like to add support for this in the future, I encourage you to file an enhancement request describing your requirements.

Please post your bug number, just for the record.

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Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@" + "apple.com"

@eskimo Thanks for your suggestion.

I have filed an enhancement request: FB11842144 (Need feature to reconnect to the networks that is joined through NEHotspotConfigurationManager. )