How can you know what phones are used in movies?

To identify phones used in movies, you can look for product placement credits in the film's end credits, which often list brands featured in the film. Additionally, film reviews, behind-the-scenes features, and dedicated movie databases like IMDb sometimes provide insights into the technology used. Online forums and fan sites also discuss and analyze specific movie props, including phones. Lastly, social media platforms may have discussions or posts highlighting the devices showcased in popular films.