Connecting to WiFi without a password on an iPhone might seem like a tricky task, but there are a few ways to achieve it. The first method involves using the WiFi-sharing feature available on some devices. You can request the password from a friend who has already connected to the WiFi network, and they can share it with you directly through the iPhone's settings.

If that option is not available, you can try connecting to public WiFi networks that do not require a password. However, it is essential to be cautious when using public networks to avoid potential security risks.

Another alternative is to use a WiFi password app that can help you find and connect to open WiFi networks in your area. These apps can be handy, but make sure to choose a reputable one to protect your data.

Lastly, if you have access to the WiFi router, you can reset the password or set up a guest network that does not require a password. Remember to change the settings back once the device is connected.