The only thing is you could easily forget your WiFi password. It's super nice! As long as your iPhone is in the range, it will automatically detect the Wi-Fi network and connect without showing passcode. Once your iPhone connected to a WiFi network, all information (including name and WiFi password) is saved on iPhone/iPad.
How can I find and view the saved Wi-Fi password on iPhone? I want to share the WiFi password with my friend's device but I forgot the password.'
'I've connected my iPhone to WiFi network.