If your iPhone's front camera is cloudy, there are a few things you can try to fix the issue. First, make sure that the lens is clean and free of any debris. If it's dirty, wipe it off with a soft, lint-free cloth. If that doesn't work, try resetting your iPhone. To do this, go to Settings > General > Reset and tap Reset All Settings. This will reset all of your settings back to their defaults, but won't delete any of your data. Finally, if neither of those solutions works, you may need to take your iPhone to an Apple Store or an authorized service provider for further diagnosis and repair.