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I am thinking to switch from WP7.8 to WP8. There are many Wi-Fi networks which are saved in my mobile. Is it able to backup these along with their information like password, proxy etc and restore the backup on new phone (WP 8).
Sorry but there isn't. Even if you had a WP8 (that was backup features) I think password protected configurations are not save to the cloud.
Edit: Unfortunately there is no APIs for developers make an app to improve those behaviors.
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