You can test your webcam online or using programs that come with Windows 10 or your Mac. You don't have to wait for a video call to find out there's a problem with your webcam - test it ahead of time.

Smudges, dust, and thick lens protectors can make the iPhone 16 Pro hunt for focus constantly. Clean the lenses gently and test again without the case or camera cover. Swipe up from the app switcher ...